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HomeMy WebLinkAboutDEIR Appendix G - Noise Supporting InformationCity of South San Francisco—General Plan Update, Zoning Code Amendments, and Climate Action Plan Draft Program EIR FirstCarbon Solutions Appendix G: Noise Supporting Information THIS PAGE INTENTIONALLY LEFT BLANK TABLE Existing (Year 2019)-01 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: I-280 - north of Westborouh Boulevard NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 169400 SPEED (MPH): 65 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 69.50 12.90 9.60 M-TRUCKS 1.44 0.06 1.50 H-TRUCKS 2.40 0.10 2.50 ACTIVE HALF-WIDTH (FT): 48 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 85.99 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 995.2 2141.6 4612.1 9934.1 ______________________________________________________________________ TABLE Existing (Year 2019)-02 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: I-280 - Westborouh Boulevard to Sneath Lane NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 175900 SPEED (MPH): 65 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 69.50 12.90 9.60 M-TRUCKS 1.44 0.06 1.50 H-TRUCKS 2.40 0.10 2.50 ACTIVE HALF-WIDTH (FT): 48 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 86.15 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 1020.4 2196.0 4729.3 10186.6 ______________________________________________________________________ TABLE Existing (Year 2019)-03 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: I-380 - I-280 to US 101 NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 104700 SPEED (MPH): 65 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 69.50 12.90 9.60 M-TRUCKS 1.44 0.06 1.50 H-TRUCKS 2.40 0.10 2.50 ACTIVE HALF-WIDTH (FT): 48 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 83.90 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 722.8 1554.3 3346.7 7208.2 ______________________________________________________________________ TABLE Existing (Year 2019)-04 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: US 101 - I-380 to Oyster Point Boulevard NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 181900 SPEED (MPH): 65 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 69.50 12.90 9.60 M-TRUCKS 1.44 0.06 1.50 H-TRUCKS 2.40 0.10 2.50 ACTIVE HALF-WIDTH (FT): 60 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 85.80 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 1043.1 2244.0 4832.1 10407.8 ______________________________________________________________________ TABLE Existing (Year 2019)-05 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Hillside Boulevard - Lawndale Boulevard to Chestnut Avenue NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 21100 SPEED (MPH): 40 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 18 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.88 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 66.8 139.8 299.1 643.4 ______________________________________________________________________ TABLE Existing (Year 2019)-06 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Hillside Boulevard - Chestnut Avenue to Sister Cities Boulevard NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 20800 SPEED (MPH): 40 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.39 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 68.1 139.3 296.5 637.1 ______________________________________________________________________ TABLE Existing (Year 2019)-07 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Hillside Boulevard - Sister Cities Boulevard to School Street NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 5800 SPEED (MPH): 40 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 18 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 64.27 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 61.3 127.5 272.5 ______________________________________________________________________ TABLE Existing (Year 2019)-08 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Sister Cities Boulevard - Hillside Boulevard to San Francisco Drive NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 19900 SPEED (MPH): 40 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.20 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 66.3 135.4 288.0 618.6 ______________________________________________________________________ TABLE Existing (Year 2019)-09 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Sister Cities Boulevard - San Francisco Drive to Airport Boulevard NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 21500 SPEED (MPH): 40 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.53 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 69.4 142.3 303.1 651.3 ______________________________________________________________________ TABLE Existing (Year 2019)-10 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - north of Hickey Boulevard NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 14100 SPEED (MPH): 40 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 18 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 68.13 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 107.5 229.0 492.0 ______________________________________________________________________ TABLE Existing (Year 2019)-11 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - Hickey Boulevard to McLellan Drive NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 33300 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.14 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 75.4 155.8 332.5 714.8 ______________________________________________________________________ TABLE Existing (Year 2019)-12 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - McLellan Drive to Arroyo Drive NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 21900 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 68.32 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 59.1 118.9 252.0 540.8 ______________________________________________________________________ TABLE Existing (Year 2019)-13 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - Arroyo Drive to Westborough Boulevard NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 18800 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 36 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 66.93 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 111.1 229.2 488.9 ______________________________________________________________________ TABLE Existing (Year 2019)-14 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - Westborough Boulevard to West Orange Avenue NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 35000 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 36 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.63 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 82.1 163.0 344.4 738.6 ______________________________________________________________________ TABLE Existing (Year 2019)-15 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - West Orange Avenue to South Spruce Avenue NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 30500 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 12 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.68 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 68.6 145.9 313.4 674.7 ______________________________________________________________________ TABLE Existing (Year 2019)-16 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - South Spruce Avenue to Noor Avenue NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 36100 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 36 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.77 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 83.5 166.3 351.5 753.9 ______________________________________________________________________ TABLE Existing (Year 2019)-17 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - Noor Avenue to Sneath Lane NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 35300 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.39 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 78.1 161.9 345.6 743.1 ______________________________________________________________________ TABLE Existing (Year 2019)-18 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - Sneath Lane to I-380 NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 45100 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.46 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 90.7 190.0 406.7 874.8 ______________________________________________________________________ TABLE Existing (Year 2019)-19 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Willow Avenue to Chestnut Avenue NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 9300 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 60.41 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 59.6 127.8 ______________________________________________________________________ TABLE Existing (Year 2019)-20 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Chestnut Avenue to Eucalyptus Avenue NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 7700 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 59.59 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 52.6 112.7 ______________________________________________________________________ TABLE Existing (Year 2019)-21 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Eucalyptus Avenue to Orange Avenue NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 8300 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 59.92 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 55.3 118.5 ______________________________________________________________________ TABLE Existing (Year 2019)-22 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Orange Avenue to Magnolia Avenue NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 7900 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 59.70 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 53.5 114.7 ______________________________________________________________________ TABLE Existing (Year 2019)-23 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Magnolia Avenue to Spruce Avenue NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 7100 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 59.24 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 0.0 106.8 ______________________________________________________________________ TABLE Existing (Year 2019)-24 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Spruce Avenue to Maple Avenue NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 6500 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 58.85 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 0.0 100.8 ______________________________________________________________________ TABLE Existing (Year 2019)-25 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Maple Avenue to Linden Avenue NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 7000 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 59.18 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 0.0 105.8 ______________________________________________________________________ TABLE Existing (Year 2019)-26 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Linden Avenue to Airport Boulevard NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 7000 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 59.18 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 0.0 105.8 ______________________________________________________________________ TABLE Existing (Year 2019)-27 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Westborough Boulevard - Callan Drive to Galway Place NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 21700 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 68.28 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 58.8 118.2 250.4 537.5 ______________________________________________________________________ TABLE Existing (Year 2019)-28 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Westborough Boulevard - Galway Place to I-280 NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 31100 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.84 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 72.4 149.1 317.8 683.0 ______________________________________________________________________ TABLE Existing (Year 2019)-29 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Westborough Boulevard - I-280 to El Camino Real NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 29400 SPEED (MPH): 45 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 18 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 72.48 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 97.6 207.5 445.6 959.3 ______________________________________________________________________ TABLE Existing (Year 2019)-30 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Chestnut Avenue - El Camino Real to Mission Road NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 26200 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.10 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 65.5 133.4 283.7 609.3 ______________________________________________________________________ TABLE Existing (Year 2019)-31 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Chestnut Avenue - Mission Road to Commercial Avenue NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 20500 SPEED (MPH): 30 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 12 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 67.50 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 90.0 192.5 414.0 ______________________________________________________________________ TABLE Existing (Year 2019)-32 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Chestnut Avenue - Commercial Avenue to Grand Avenue NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 8600 SPEED (MPH): 30 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 64.30 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 50.4 107.9 232.2 ______________________________________________________________________ TABLE Existing (Year 2019)-33 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Chestnut Avenue - Grand Avenue to Hillside Boulevard NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 7500 SPEED (MPH): 30 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 63.71 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 98.5 212.0 ______________________________________________________________________ TABLE Existing (Year 2019)-34 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: South Spruce Avenue - El Camino Real to Huntington Avenue NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 15800 SPEED (MPH): 30 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 63.07 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 57.3 114.6 242.5 ______________________________________________________________________ TABLE Existing (Year 2019)-35 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: South Spruce Avenue - Huntington Avenue to Myrtle Avenue NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 17900 SPEED (MPH): 30 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 63.61 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 61.4 124.1 263.4 ______________________________________________________________________ TABLE Existing (Year 2019)-36 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: South Spruce Avenue - Myrtle Avenue to North Canal Street NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 11600 SPEED (MPH): 30 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 61.72 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 94.3 197.9 ______________________________________________________________________ TABLE Existing (Year 2019)-37 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: South Spruce Avenue - North Canal Street to Railroad Avenue NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 9500 SPEED (MPH): 30 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 18 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 61.29 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 81.9 173.0 ______________________________________________________________________ TABLE Existing (Year 2019)-38 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: South Spruce Avenue - Railroad Avenue to Grand Avenue NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 6600 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 58.92 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 0.0 101.8 ______________________________________________________________________ TABLE Existing (Year 2019)-39 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: South Spruce Avenue - Grand Avenue to Hillside Boulevard NOTES: South San Francisco GP Update - Existing (Year 2019) ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 3200 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 55.78 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 0.0 63.0 ______________________________________________________________________ TABLE Year 2040 No Project-01 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: I-280 - north of Westborouh Boulevard NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 191300 SPEED (MPH): 65 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 69.50 12.90 9.60 M-TRUCKS 1.44 0.06 1.50 H-TRUCKS 2.40 0.10 2.50 ACTIVE HALF-WIDTH (FT): 48 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 86.52 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 1079.0 2322.3 5001.5 10772.7 ______________________________________________________________________ TABLE Year 2040 No Project-02 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: I-280 - Westborouh Boulevard to Sneath Lane NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 203900 SPEED (MPH): 65 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 69.50 12.90 9.60 M-TRUCKS 1.44 0.06 1.50 H-TRUCKS 2.40 0.10 2.50 ACTIVE HALF-WIDTH (FT): 48 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 86.79 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 1125.8 2423.2 5218.7 11240.7 ______________________________________________________________________ TABLE Year 2040 No Project-03 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: I-380 - I-280 to US 101 NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 102200 SPEED (MPH): 65 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 69.50 12.90 9.60 M-TRUCKS 1.44 0.06 1.50 H-TRUCKS 2.40 0.10 2.50 ACTIVE HALF-WIDTH (FT): 48 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 83.79 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 711.3 1529.5 3293.2 7093.0 ______________________________________________________________________ TABLE Year 2040 No Project-04 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: US 101 - I-380 to Oyster Point Boulevard NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 192500 SPEED (MPH): 65 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 69.50 12.90 9.60 M-TRUCKS 1.44 0.06 1.50 H-TRUCKS 2.40 0.10 2.50 ACTIVE HALF-WIDTH (FT): 60 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 86.04 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 1083.1 2330.2 5018.0 10808.3 ______________________________________________________________________ TABLE Year 2040 No Project-05 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Hillside Boulevard - Lawndale Boulevard to Chestnut Avenue NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 24100 SPEED (MPH): 40 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 18 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.46 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 72.6 152.5 326.7 703.0 ______________________________________________________________________ TABLE Year 2040 No Project-06 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Hillside Boulevard - Chestnut Avenue to Sister Cities Boulevard NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 24400 SPEED (MPH): 40 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.08 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 74.8 154.5 329.6 708.5 ______________________________________________________________________ TABLE Year 2040 No Project-07 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Hillside Boulevard - Sister Cities Boulevard to School Street NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 8500 SPEED (MPH): 40 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 18 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 65.93 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 77.7 163.9 351.3 ______________________________________________________________________ TABLE Year 2040 No Project-08 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Sister Cities Boulevard - Hillside Boulevard to San Francisco Drive NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 23300 SPEED (MPH): 40 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.88 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 72.8 149.9 319.7 687.1 ______________________________________________________________________ TABLE Year 2040 No Project-09 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Sister Cities Boulevard - San Francisco Drive to Airport Boulevard NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 25700 SPEED (MPH): 40 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.31 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 77.2 159.8 341.2 733.5 ______________________________________________________________________ TABLE Year 2040 No Project-10 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - north of Hickey Boulevard NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 22500 SPEED (MPH): 40 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 18 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.16 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 69.5 145.8 312.2 671.5 ______________________________________________________________________ TABLE Year 2040 No Project-11 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - Hickey Boulevard to McLellan Drive NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 41900 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.14 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 86.7 181.0 387.3 833.0 ______________________________________________________________________ TABLE Year 2040 No Project-12 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - McLellan Drive to Arroyo Drive NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 33400 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.15 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 75.5 156.1 333.2 716.2 ______________________________________________________________________ TABLE Year 2040 No Project-13 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - Arroyo Drive to Westborough Boulevard NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 30500 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 36 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.04 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 76.4 149.5 314.5 674.0 ______________________________________________________________________ TABLE Year 2040 No Project-14 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - Westborough Boulevard to West Orange Avenue NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 45400 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 36 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.76 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 94.9 192.5 408.9 878.2 ______________________________________________________________________ TABLE Year 2040 No Project-15 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - West Orange Avenue to South Spruce Avenue NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 43000 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 12 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 72.17 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 85.7 183.2 393.9 848.2 ______________________________________________________________________ TABLE Year 2040 No Project-16 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - South Spruce Avenue to Noor Avenue NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 42300 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 36 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.46 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 91.2 184.0 390.2 837.8 ______________________________________________________________________ TABLE Year 2040 No Project-17 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - Noor Avenue to Sneath Lane NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 41800 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.13 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 86.6 180.8 386.7 831.6 ______________________________________________________________________ TABLE Year 2040 No Project-18 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - Sneath Lane to I-380 NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 46700 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.61 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 92.7 194.4 416.2 895.4 ______________________________________________________________________ TABLE Year 2040 No Project-19 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Willow Avenue to Chestnut Avenue NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 11300 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 61.26 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 67.8 145.5 ______________________________________________________________________ TABLE Year 2040 No Project-20 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Chestnut Avenue to Eucalyptus Avenue NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 11300 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 61.26 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 67.8 145.5 ______________________________________________________________________ TABLE Year 2040 No Project-21 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Eucalyptus Avenue to Orange Avenue NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 10300 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 60.85 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 63.7 136.8 ______________________________________________________________________ TABLE Year 2040 No Project-22 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Orange Avenue to Magnolia Avenue NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 9600 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 60.55 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 60.8 130.6 ______________________________________________________________________ TABLE Year 2040 No Project-23 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Magnolia Avenue to Spruce Avenue NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 9000 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 60.27 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 58.3 125.1 ______________________________________________________________________ TABLE Year 2040 No Project-24 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Spruce Avenue to Maple Avenue NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 8400 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 59.97 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 55.7 119.5 ______________________________________________________________________ TABLE Year 2040 No Project-25 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Maple Avenue to Linden Avenue NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 8900 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 60.22 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 57.9 124.1 ______________________________________________________________________ TABLE Year 2040 No Project-26 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Linden Avenue to Airport Boulevard NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 8900 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 60.22 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 57.9 124.1 ______________________________________________________________________ TABLE Year 2040 No Project-27 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Westborough Boulevard - Callan Drive to Galway Place NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 24900 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 68.88 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 63.6 129.1 274.3 589.0 ______________________________________________________________________ TABLE Year 2040 No Project-28 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Westborough Boulevard - Galway Place to I-280 NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 30800 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.80 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 72.0 148.1 315.8 678.6 ______________________________________________________________________ TABLE Year 2040 No Project-29 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Westborough Boulevard - I-280 to El Camino Real NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 32100 SPEED (MPH): 45 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 18 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 72.86 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 103.3 219.9 472.5 1017.1 ______________________________________________________________________ TABLE Year 2040 No Project-30 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Chestnut Avenue - El Camino Real to Mission Road NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 32700 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.06 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 74.6 154.0 328.5 706.2 ______________________________________________________________________ TABLE Year 2040 No Project-31 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Chestnut Avenue - Mission Road to Commercial Avenue NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 25800 SPEED (MPH): 30 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 12 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 68.49 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 104.7 224.3 482.5 ______________________________________________________________________ TABLE Year 2040 No Project-32 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Chestnut Avenue - Commercial Avenue to Grand Avenue NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 8600 SPEED (MPH): 30 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 64.30 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 50.4 107.9 232.2 ______________________________________________________________________ TABLE Year 2040 No Project-33 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Chestnut Avenue - Grand Avenue to Hillside Boulevard NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 9100 SPEED (MPH): 30 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 64.55 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 52.3 112.0 241.1 ______________________________________________________________________ TABLE Year 2040 No Project-34 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: South Spruce Avenue - El Camino Real to Huntington Avenue NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 19600 SPEED (MPH): 30 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 64.00 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 64.7 131.6 279.6 ______________________________________________________________________ TABLE Year 2040 No Project-35 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: South Spruce Avenue - Huntington Avenue to Myrtle Avenue NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 19800 SPEED (MPH): 30 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 64.05 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 65.0 132.4 281.5 ______________________________________________________________________ TABLE Year 2040 No Project-36 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: South Spruce Avenue - Myrtle Avenue to North Canal Street NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 13900 SPEED (MPH): 30 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 62.51 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 105.6 222.9 ______________________________________________________________________ TABLE Year 2040 No Project-37 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: South Spruce Avenue - North Canal Street to Railroad Avenue NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 13600 SPEED (MPH): 30 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 18 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 62.84 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 103.0 219.3 ______________________________________________________________________ TABLE Year 2040 No Project-38 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: South Spruce Avenue - Railroad Avenue to Grand Avenue NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 8000 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 59.76 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 54.0 115.6 ______________________________________________________________________ TABLE Year 2040 No Project-39 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: South Spruce Avenue - Grand Avenue to Hillside Boulevard NOTES: South San Francisco GP Update - Year 2040 No Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 4500 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 57.26 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 0.0 78.9 ______________________________________________________________________ TABLE Year 2040 With Project-01 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: I-280 - north of Westborouh Boulevard NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 196500 SPEED (MPH): 65 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 69.50 12.90 9.60 M-TRUCKS 1.44 0.06 1.50 H-TRUCKS 2.40 0.10 2.50 ACTIVE HALF-WIDTH (FT): 48 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 86.63 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 1098.4 2364.2 5091.7 10967.1 ______________________________________________________________________ TABLE Year 2040 With Project-02 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: I-280 - Westborouh Boulevard to Sneath Lane NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 225300 SPEED (MPH): 65 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 69.50 12.90 9.60 M-TRUCKS 1.44 0.06 1.50 H-TRUCKS 2.40 0.10 2.50 ACTIVE HALF-WIDTH (FT): 48 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 87.23 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 1203.1 2589.8 5577.7 12014.0 ______________________________________________________________________ TABLE Year 2040 With Project-03 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: I-380 - I-280 to US 101 NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 108900 SPEED (MPH): 65 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 69.50 12.90 9.60 M-TRUCKS 1.44 0.06 1.50 H-TRUCKS 2.40 0.10 2.50 ACTIVE HALF-WIDTH (FT): 48 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 84.07 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 742.0 1595.5 3435.6 7399.7 ______________________________________________________________________ TABLE Year 2040 With Project-04 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: US 101 - I-380 to Oyster Point Boulevard NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 205300 SPEED (MPH): 65 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 69.50 12.90 9.60 M-TRUCKS 1.44 0.06 1.50 H-TRUCKS 2.40 0.10 2.50 ACTIVE HALF-WIDTH (FT): 60 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 86.32 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 1130.5 2432.4 5238.1 11282.2 ______________________________________________________________________ TABLE Year 2040 With Project-05 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Hillside Boulevard - Lawndale Boulevard to Chestnut Avenue NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 26200 SPEED (MPH): 40 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 18 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.82 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 76.5 161.1 345.4 743.2 ______________________________________________________________________ TABLE Year 2040 With Project-06 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Hillside Boulevard - Chestnut Avenue to Sister Cities Boulevard NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 26300 SPEED (MPH): 40 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.41 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 78.3 162.2 346.4 744.8 ______________________________________________________________________ TABLE Year 2040 With Project-07 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Hillside Boulevard - Sister Cities Boulevard to School Street NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 6300 SPEED (MPH): 40 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 18 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 64.63 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 64.5 134.6 287.9 ______________________________________________________________________ TABLE Year 2040 With Project-08 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Sister Cities Boulevard - Hillside Boulevard to San Francisco Drive NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 22400 SPEED (MPH): 40 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.71 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 71.1 146.1 311.5 669.3 ______________________________________________________________________ TABLE Year 2040 With Project-09 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Sister Cities Boulevard - San Francisco Drive to Airport Boulevard NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 22800 SPEED (MPH): 40 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.79 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 71.8 147.8 315.1 677.3 ______________________________________________________________________ TABLE Year 2040 With Project-10 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - north of Hickey Boulevard NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 23800 SPEED (MPH): 40 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 18 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.40 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 72.0 151.3 324.0 697.1 ______________________________________________________________________ TABLE Year 2040 With Project-11 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - Hickey Boulevard to McLellan Drive NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 38900 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.81 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 82.8 172.5 368.6 792.7 ______________________________________________________________________ TABLE Year 2040 With Project-12 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - McLellan Drive to Arroyo Drive NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 36100 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.49 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 79.2 164.2 350.8 754.3 ______________________________________________________________________ TABLE Year 2040 With Project-13 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - Arroyo Drive to Westborough Boulevard NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 34300 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 36 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.55 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 81.2 160.9 339.8 728.7 ______________________________________________________________________ TABLE Year 2040 With Project-14 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - Westborough Boulevard to West Orange Avenue NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 43700 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 36 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.60 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 92.8 187.8 398.7 856.1 ______________________________________________________________________ TABLE Year 2040 With Project-15 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - West Orange Avenue to South Spruce Avenue NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 45000 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 12 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 72.37 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 88.3 188.8 406.0 874.3 ______________________________________________________________________ TABLE Year 2040 With Project-16 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - South Spruce Avenue to Noor Avenue NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 42800 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 36 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.51 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 91.8 185.3 393.3 844.4 ______________________________________________________________________ TABLE Year 2040 With Project-17 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - Noor Avenue to Sneath Lane NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 39700 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 70.90 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 83.9 174.8 373.7 803.6 ______________________________________________________________________ TABLE Year 2040 With Project-18 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: El Camino Real - Sneath Lane to I-380 NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 48500 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.77 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 94.9 199.3 426.8 918.2 ______________________________________________________________________ TABLE Year 2040 With Project-19 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Willow Avenue to Chestnut Avenue NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 15000 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 62.49 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 81.7 175.7 ______________________________________________________________________ TABLE Year 2040 With Project-20 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Chestnut Avenue to Eucalyptus Avenue NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 12500 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 61.69 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 72.4 155.6 ______________________________________________________________________ TABLE Year 2040 With Project-21 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Eucalyptus Avenue to Orange Avenue NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 9600 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 60.55 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 60.8 130.6 ______________________________________________________________________ TABLE Year 2040 With Project-22 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Orange Avenue to Magnolia Avenue NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 9900 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 60.68 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 62.1 133.3 ______________________________________________________________________ TABLE Year 2040 With Project-23 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Magnolia Avenue to Spruce Avenue NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 9600 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 60.55 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 60.8 130.6 ______________________________________________________________________ TABLE Year 2040 With Project-24 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Spruce Avenue to Maple Avenue NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 9100 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 60.32 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 58.7 126.0 ______________________________________________________________________ TABLE Year 2040 With Project-25 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Maple Avenue to Linden Avenue NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 10300 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 60.85 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 63.7 136.8 ______________________________________________________________________ TABLE Year 2040 With Project-26 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Grand Avenue - Linden Avenue to Airport Boulevard NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 13200 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 61.93 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 75.1 161.4 ______________________________________________________________________ TABLE Year 2040 With Project-27 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Westborough Boulevard - Callan Drive to Galway Place NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 28300 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.43 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 68.5 140.2 298.5 641.4 ______________________________________________________________________ TABLE Year 2040 With Project-28 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Westborough Boulevard - Galway Place to I-280 NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 31900 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 69.95 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 73.5 151.5 323.2 694.6 ______________________________________________________________________ TABLE Year 2040 With Project-29 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Westborough Boulevard - I-280 to El Camino Real NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 25700 SPEED (MPH): 45 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 18 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 71.90 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 89.6 189.8 407.5 877.0 ______________________________________________________________________ TABLE Year 2040 With Project-30 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Chestnut Avenue - El Camino Real to Mission Road NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 24800 SPEED (MPH): 35 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 68.86 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 63.4 128.8 273.5 587.4 ______________________________________________________________________ TABLE Year 2040 With Project-31 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Chestnut Avenue - Mission Road to Commercial Avenue NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 24800 SPEED (MPH): 30 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 12 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 68.32 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 102.0 218.5 470.0 ______________________________________________________________________ TABLE Year 2040 With Project-32 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Chestnut Avenue - Commercial Avenue to Grand Avenue NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 11800 SPEED (MPH): 30 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 65.68 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 62.1 133.2 286.6 ______________________________________________________________________ TABLE Year 2040 With Project-33 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: Chestnut Avenue - Grand Avenue to Hillside Boulevard NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 9300 SPEED (MPH): 30 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 73.60 13.60 10.22 M-TRUCKS 0.90 0.04 0.90 H-TRUCKS 0.35 0.04 0.35 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 64.64 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 53.0 113.7 244.6 ______________________________________________________________________ TABLE Year 2040 With Project-34 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: South Spruce Avenue - El Camino Real to Huntington Avenue NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 21000 SPEED (MPH): 30 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 64.30 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 67.3 137.5 292.7 ______________________________________________________________________ TABLE Year 2040 With Project-35 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: South Spruce Avenue - Huntington Avenue to Myrtle Avenue NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 18100 SPEED (MPH): 30 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 63.66 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 61.8 125.0 265.3 ______________________________________________________________________ TABLE Year 2040 With Project-36 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: South Spruce Avenue - Myrtle Avenue to North Canal Street NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 14500 SPEED (MPH): 30 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 24 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 62.69 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 108.5 229.2 ______________________________________________________________________ TABLE Year 2040 With Project-37 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: South Spruce Avenue - North Canal Street to Railroad Avenue NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 10800 SPEED (MPH): 30 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 18 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 61.84 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 88.8 188.3 ______________________________________________________________________ TABLE Year 2040 With Project-38 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: South Spruce Avenue - Railroad Avenue to Grand Avenue NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 7900 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 59.70 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 53.5 114.7 ______________________________________________________________________ TABLE Year 2040 With Project-39 FHWA ROADWAY NOISE LEVEL ANALYSIS RUN DATE: 03/04/2022 ROADWAY SEGMENT: South Spruce Avenue - Grand Avenue to Hillside Boulevard NOTES: South San Francisco GP Update - Year 2040 With Project ______________________________________________________________________ * * ASSUMPTIONS * * AVERAGE DAILY TRAFFIC: 3300 SPEED (MPH): 25 GRADE: .5 TRAFFIC DISTRIBUTION PERCENTAGES DAY EVENING NIGHT --- ------- ----- AUTOS 75.51 12.57 9.34 M-TRUCKS 1.56 0.09 0.19 H-TRUCKS 0.64 0.02 0.08 ACTIVE HALF-WIDTH (FT): 6 SITE CHARACTERISTICS: SOFT ______________________________________________________________________ * * CALCULATED NOISE LEVELS * * CNEL AT 50 FT FROM NEAR TRAVEL LANE CENTERLINE (dB) = 55.91 DISTANCE (FEET) FROM ROADWAY CENTERLINE TO CNEL 70 CNEL 65 CNEL 60 CNEL 55 CNEL ------- ------- ------- ------- 0.0 0.0 0.0 64.3 ______________________________________________________________________