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Transportation
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Ablon That MovesYour Community
Technical Memorandum
Date:
To:
From:
Subject:
July 17, 2013
Billy Gross, Associate Planner, Project No.:
City of South San Francisco
Bill Mitchell,
WT Mitchell Group Inc.
Atul Patel, P.E jurisdiction:
Vishnu Gandluru
072 -036 T002
City of South San Francisco
TDM Program for the proposed mixed use development in South San Francisco
The purpose of this technical memorandum is to document our Transportation Demand
Management (TDM, also known as Mobility Management) recommendation for the proposed mixed
use development at the southeast corner of intersection of El Camino Real and South Spruce
Avenue in the City of South San Francisco. The proposed project consists of 234 apartments,
20,000 square feet of office space and 190,000 square feet retail.
The City of South San Francisco requires that all nonresidential development expected to generate
100 or more average daily trips implement TDM plan to reduce single occupant vehicle (SOV)
travel and to increase the use of rideshare, transit, and bicycle trips to and from the project site
during peak traffic periods. The overall objective of this TDM Program is to reduce the expected
number of project peak hour trips generated by the proposed development. The objective is
achieved by providing commute alternatives to driving alone and strategies that encourage the use
of these alternatives. Commute alternatives include carpooling and vanpooling, public and private
transit, bicycling and walking, and other non - single occupant vehicle options.
TDM is a general term for various strategies that increase transportation system efficiency. TDM
treats mobility as a means to an end, rather than an end in itself, and so helps individuals and
communities meet their transport needs in the most efficient way, which often reduces total
vehicle traffic. TDM prioritizes travel to increase overall system efficiency, based on the value and
costs of each trip, giving higher value trips and lower cost modes priority over lower value and
higher cost travel. For example, a higher value trip would be bicycling to work while a lower value
trip would be driving alone to work. It emphasizes the movement of people and goods, rather
than motor vehicles, and so gives priority to public transit, ridesharing and non - motorized travel,
particularly under the congested urban conditions.
There are many different TDM strategies with a variety of transportation impacts. Some improve
Santa Rosa
the transportation options available to consumers. Some cause changes in trip scheduling, route,
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destination or mode. Others reduce the need for physical travel through more efficient land use,
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95401 -4643
or transportation substitutes. TDM is an increasingly common response to transportation
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problems. Although most individual TDM strategies only affect a small portion of total travel, the
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cumulative impacts of a comprehensive TDM program can be significant.
tjl<m @tjl<m.com
www.tjl<m.com
Mr. Bill Mitchell
TJKM July 9, 2013
Transportation page 2
Consultants
The proposed development in the City of South San Francisco plans to adopt the TDM program
shown in Table I. These TDM measures will increase alternate mode of travel, reduce pollution
and increase TDM participation. In addition to the adopted TDM measure listed in Table I,
additional measures may be considered and are listed in Table II. These measures will further
increase TDM participation, reduce peak hour trips, will provide incentive to users and cut down
amount of pollution. The contact person will be Dee Dee Beucke, Property Manager and is
available at @ 925 - 407 -2678.
Table I: TDM Measures for Proposed Mixed Use Development in the City of South
San Francisco
Transportation Demand
Potential Trip Reduction
Rationale /Notes
Management (TDM) Measures
#1 Ride - matching Program (Includes
Three peak hour trips reduced.
— Ridesharing can reduce peak - period
carpool and vanpool programs)
vehicle trips and increase
administered by a designated employee
commuters travel choices. It
— Ridesharing is one of the most
reduces congestion on road.
common and cost effective
— Experience indicates that
alternative modes
ridesharing programs typically
attract 5 -15% of commute trips if
they offer only information and
encouragement
#2 Designated TDM Coordinator
Encourages alternate mode of travel
The employer has designated Dee Dee
Beucke, Property Manager, as the on-
site TDM coordinator who will be
responsible for promoting and managing
the implementation of the proposed
TDM programs.
#3 Direct Route to Transit
One peak hour vehicle trip reduced for
— Yields a one -to -one ratio (one
— Bus stop near the project site to
each transit trip.
transit trip equals one auto trip
provide better transit connection
reduced).
— Provides affordable mobility.
— Increases transport choice for non-
drivers.
— Tends to reduce air pollution.
#4 Guaranteed Ride Home (GRH)
Three peak hour trips reduced.
— By supporting use of alternative
— Program provided by property
modes, GRH helps achieve all TDM
manager for employees - occasional
objectives. Benefits include
subsidized ride to commuters who
increased commuters security,
use alternative modes
flexibility and participation in
Commute Trip Reduction programs
— The GRH will be evaluated with
employers that ultimately locate in
the shopping center to determine if
it is practically feasible
#5 Provide information boards /kiosks
Encourages alternate mode of travel
Information Boards and Kiosks will be
located in the center for dissemination
of ride share and similar information
#6 Passenger Loading Zones
Provides ease for loading and safety to
Since the project is expected to
the passengers
generate very few trips during the peak
traffic periods. Instead of providing a
passenger loading zone, the project
would designate the space closest to
entrance of the main building.
Table continued on next page.
TJ KM
Transportation
Consultants
Mr. Bill Mitchell
July 9, 2013
Page 3
Table I (continued): TDM Measures for Proposed Mixed Use Development in the City
of South San Francisco
Transportation Demand
Potential Trip Reduction
Rationale /Notes
Management (TDM) Measures
#7 Pedestrian and Bike friendly design
A high potential for additional trip
— Improved walking and cycling
— Providing sidewalks along property
reduction.
conditions increases non - motorized
frontage, crosswalks at the
travel and can reduce automobile
driveways, and pedestrian and
travel, particularly if implemented
bicycle paths within the site.
with land use mix, transit
— Tie pedestrian route /bike routes of
improvements, and incentives to
travel to Centennial Trail, BART
reduce driving.
and bus stops.
— Tends to reduce air pollution.
#8 Promotional Programs
A high potential for additional trip
— New tenant and employee
— New tenant orientation on
reduction.
orientation packets on
commute alternatives
transportation alternatives will
encourage employees to try new
options
— Information on "Spare the Air ",
Rideshare week, trip planning
assistance- routes and maps will help
the commuters
#9 Showers /Clothes Lockers
A good potential for trip reduction
— Providing showers /lockers
encourages employees to adopt
transportation alternatives
#10 Shuttle Program
A high potential for additional trip
— Provides direct benefit for the
reduction based on employee
employees who live along the
participation in the program
shuttle route
#1 1 Transportation Management
Encourages alternate mode of travel
The employer will participate in a local
Association (TMA)
TMA, the Peninsula Congestion Relief
Alliance or a similar organization
approved by the Chief Planner, the
provides ongoing support for
alternative commute programs
# 12 Bicycle Parking, Long -term
One peak hour trip for every three ne
— Experience has shown that bicycle
— Shower facilities at or near the
bike lockers /racks installed and
commuters will average using this
location
maintained.
mode one -third of the time,
— Provide Bike lockers with security,
especially during warmer summer
— Parking within view or within one
months.
hundred feet of an attendant or
— A secure zone bicycle lockers offers
security guard
sense of security for potential
users.
— Per City's ordinance requirement,
the project applicant plans to
provide 67 bike stalls for multi -unit
residential and 7 bike stalls for the
on -site employees.
# 13 Bicycle Parking, Short -term
One peak hour trip for every three ne
— Short -term bicycle parking shall be
— Bicycle parking shall be located
bike lockers /racks installed and
installed in compliance with the
within one hundred feet of main
maintained.
requirements of zoning district.
entrance of a building
— Security measures should be applied
similar to the long -term measures.
— Per City's ordinance requirement,
the project applicant plans to
provide 54 bike stalls for the
Commercial office space at the
project site
Table continued on next page.
Mr. Bill Mitchell
TJKM July 9, 2013
Transportation page 4
Consultants
Table I (continued): TDM Measures for Proposed Mixed Use Development in the City
of South San Francisco
# 14 Free parking for Carpools and
An incentive to carpooling employees
— Ten percent of employee vehicle
Vanpools
stalls shall be reserved for carpools
Carpool Incentive for Employees
One peak hour trip will be credited for
and vanpools, as the project site is a
— Offers $ gift cards to new carpoolers
every employee that is offered a
mixed -use retail /commercial
monthly transportation allowance for
development.
The proposed TDM plan is intended to reduce single occupant vehicle (SOV) travel and to
increase the use of alternative modes of travel during peak traffic periods. The TDM programs are
designed to realistically shift the retail trips to alternative modes of transportation by 28 percent
per the minimum alternative mode use requirements. In addition, the TDM plan also proposes to
reduce project related residential trips. In addition to the above adopted TDM measure additional
measures may be considered and are recommended in Table II. These measures will further
increase TDM participation, reduce peak hour trips, will provide incentive to users and cut down
amount of pollution.
Table II: Additional TDM Measures for Proposed Mixed Use Development in the City
of South San Francisco
Transportation Demand
Potential Trip Reduction
Rationale /Notes
Management (TDM) Measures
Carpool Incentive for Employees
One peak hour trip will be credited for
— Yields a one -to -one ratio (one auto
— Offers $ gift cards to new carpoolers
every employee that is offered a
trip reduced)
monthly transportation allowance for
using an alternative mode of
transportation
Bike to Work Day
A high potential for additional trip
— Provides Bike to Work Day
reduction
materials to employers, residents,
and public agencies to promote the
event.
School Pool Programs
Three peak hour trips reduced.
— School trips are numerous, but
— Encourage residents to carpool
relatively short. Reduces peak -
together to school.
period vehicle trips by encouraging
use of alternative modes.
— Reduces vehicle travel, and traffic
around schools, and often includes
road safety improvements.
Shuttle Program
A high potential for additional trip
At full -build out of the apartments a six -
reduction
month trial program will be undertaken
to determine demand for the shuttle
service. If there is sufficient demand, a
shuttle will be provided.
The project will participate and pay a
fair share contribution (based on
number of employees using the shuttle
service) to the shuttle program if
shuttle service is implemented in the
area in the future.
Shared Parking
Provides ease of parking for various
— Shared parking does not directly
— Parking spaces are shared by more
mixed uses.
reduce vehicle travel but is very
than one user
beneficial for mixed use
— Allows parking facilities to be used
development and can encourage
more efficiently.
use of alternative modes.
Table continued on next page.
TJ KM
Transportation
Consultants
Mr. Bill Mitchell
July 9, 2013
Page 5
Table II (continued): Additional TDM Measures for Proposed Mixed Use
Development in the City of South San Francisco
Land Use Mix
Increased land use mix tends to reduce
— Increased land use mix tends to
— Degree to which residential, office
per capita vehicle travel.
reduce the distances that residents
and commercial land uses are
Neighborhoods with good land use mix
must travel for errands
located close together generating
typically have 5 -15% lower vehicle-
— Allows more use of walking and
internal trips
miles.
cycling for such trips
Internal capture for a mixed land use
comprising residential, office and retail is
typically about 30% per ITE.
Increasing Density
Increased density tends to reduce per
— Increased density tends to increase
— Density refers to the number of
capita vehicle travel. Each 10% increase
the number of transportation
people or jobs in a given area
in urban densities typically reduces per
options.
— Increased density tends to make
capita VMT by 2 -3%.
driving relatively less attractive than
alternative modes
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