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31
Table 2.1. Background on case study TOD housing projects.
Housing Other Characteristics
# On-Site Shortest Walking
Housing # Parking # Nearest Distance from Project to
Type Stories # Units Spaces Driveways Rail Station Nearest Station (feet)
Philadelphia/NJ
Gaslight Commons (S. Orange NJ) A 4 200 500 3 NJ Transit: South Orange 990
Station Square Apartments (Lansdale PA) A 1-3 346 222 3 Pennbrook SEPTA 625
Portland
Center Commons (Portland) A 4 288 150 2 60th Avenue MAX 450
Collins Circle Apartments (Portland) A 6 124 93 1 Goose Hallow MAX 525
Gresham Central Apartments (Gresham) A 3 90 135 2 Gresham Central MAX 620
Merrick Apartments (Portland) A 6 185 218 1 Convention Center MAX 700
Quatama Crossing Apartments (Beaverton) A 3 711 3 Quatama MAX 2000
San Francisco
Mission Wells (Fremont) A 2-4 391 508 4 Fremont BART 3810
Montelena Apartment Homes (Hayward) A 3 188 208 3 South Hayward BART 950
Park Regency (Walnut Creek) A 3 854 1352 5 Pleasant Hill BART 1565
Verandas (Union City) A 5 282 282 2 Union City BART 830
Wayside Plaza (Walnut Creek) C 3-4 156 166 1 Pleasant Hill BART 1555
Washington DC
Avalon (Bethesda) A 4 497 746 2 Grosvenor Metro 1020
Gallery (Arlington) A 20 231 258 2 Virginia Square Metro 50
Lenox Park Apts. (Silver Spring) A 16 406 406 3 Silver Spring Metro 420
Meridian (Alexandria) A 10-16 457 560 2 Braddock Metro 920
Quincy Plaza (Arlington) A 15-21 499 499 2 Virginia Square Metro 1020
Note: A = Apartments (rental); C = Condominiums (owner-occupied)
average walking distance from the project entrance to the specialize in vehicle trip data-collection were contracted to set
nearest rail station entrance was 1,060 feet. up the tube counters and compile the data. Pneumatic tube
counters recorded daily vehicle traffic volumes by hour of day
and day of week in accordance with standard ITE methods.
Study Methods
[Due to the primarily residential nature of the projects, in-
Local traffic engineering firms were contacted about the ternal trip making was not expected to be as significant as it
availability of pre-existing data, however no examples of re- would be in larger TODs with a broad array of mixed uses.
cent trip generation analyses for TOD housing projects were Measuring internal trip making would require supplemental
found that had relevant information to include in this study. surveys of residents (e.g., travel diaries) and/or local mer-
After agreement was reached with the TCRP H-27A panel to chants, and the team has currently not budgeted to estimate
survey projects in the four rail-served metropolitan areas, these trips.] The consecutive two-day periods chosen to com-
candidate sites were visited to make sure they met the selec- pile tube-count data were considered to correspond with peak
tion criteria and also had limited access points and driveways conditions: middle of the week and prior to summer vacation
where pneumatic tube count data could be reliably collected. season: Tuesday, May 29 and Wednesday, May 30, 2007 for
(As shown in Table 2.1, all had five or fewer driveways and in the seven projects on the east coast (Washington, D.C. metro-
most instances just a few ways to drive in and out of a project.) politan area and Philadelphia/N.E. New Jersey); and Wednes-
Once sites that met the selection criteria were chosen, prop- day, May 30 and Thursday, May 31 for the 10 projects on the
erty owners and property managers were contacted, informed west coast (Portland, Oregon and East Bay).
about the purpose of the study, and asked permission to allow To further segment collected data, the team used a national
on-site observation and the installation of pneumatic-tube database from the CTOD to compile basic demographic data
recorders at curb cuts and driveways. for the neighborhoods of each of the rail stations serving the
After receiving permission from property owners to in- selected TODs, including information on residential densities,
stall pneumatic tube counters on their properties, empirical car ownership, and median income. Also, pedestrian surveys
field-work commenced. Local traffic engineering firms that were conducted to record measures regarding the quality of
