Transportation Demand Management for Site Plan Development

Photo: Building constructionTransportation Demand Management for Site Plan Development is an Arlington County Commuter Services (ACCS) program that coordinates the design and implementation of large building projects with commuter and transit infrastructure and services to enhance the mobility of residents, workers, and visitors. Consistent with the vision and mission of ACCS, TDM for Site Plans works directly with developers and property managers to mitigate the transportation impacts of residential and commercial development by increasing the availability, awareness, and use of transit, ridesharing, carsharing, biking, bikesharing, and walking.

Transportation Demand Management, also known as Mobility Management, is the bundle of strategies that influence travel behavior (how, when and where people travel) in order to improve both mobility (that’s people) and system efficiency (that’s money and other resources). Just as our transportation choices influence our personal lives in many ways, demand management is part of the solution to a variety of community-wide challenges. By reducing single-occupant vehicle trips, transportation demand management:

  • Reduces the strain on existing transportation infrastructure, helping it last longer;
  • Reduces the demand for new roads and parking, freeing up resources and space for jobs, housing, parks and other amenities;
  • Maximizes the use of existing public transit services and investments;
  • Supports the economy with increased commute flexibility and increased access to and visibility of local businesses;
  • Improves the environment by reducing emissions of greenhouse gases;
  • Improves public health by reducing emissions of particulate matter and offering transportation options that increase physical activity.

Photo: Visitor bike racks at residential buildingLike other ACCS programs and services, the underlying goal of TDM for Site Plans is to reduce single-occupant vehicle (SOV) trips in Arlington by offering more and better choices at the building level. A major strategy to achieve this goal is incorporating important physical infrastructural features, such as bike parking facilities and van-accessible garages, into new or renovated development at the time of construction. Another major strategy is actively monitoring the more than 100 (and counting) site plans to ensure they meet ongoing transportation management program responsibilities. These responsibilities range from promoting participation in carpool and vanpool programs to offering transit subsidies to employees; from managing showers and lockers for bike commuters to distributing brochures about bus routes and schedules, the bikeway system, and other local transportation options.

Did You Know?

Each U.S. rush-hour auto commuter spends an average of 50 hours a year stuck in traffic.

League of American Cyclists

Arlington’s Bicycle & Pedestrian Counters

Bikes counted

View Counter Data
110 Trail
979
14th Street Bridge
2833
Arlington Mill Trail
484
Ballston Connector
414
Bluemont Connector
249
CC Connector
1174
Clarendon EB bike lane
261
Custis Bon Air Park
1395
Custis Rosslyn
2048
Fairfax EB bike lane
222
Joyce St NB
47
Joyce St SB
53
Key Bridge East
1316
Key Bridge West
737
Military NB bike lane
56
Military SB bike lane
40
Quincy NB bike lane
130
Quincy SB bike lane
112
Roosevelt Bridge
662
Rosslyn Bikeometer
1816
TR Island Bridge
1701
WOD Bon Air Park
1163
WOD Bon Air West
1992
WOD Columbia Pike
981
WOD East Falls Church
1456
Wilson WB bike lane
351

Peds counted

View Counter Data
110 Trail
911
14th Street Bridge
449
Arlington Mill Trail
985
Ballston Connector
559
Bluemont Connector
507
CC Connector
797
Custis Bon Air Park
646
Custis Rosslyn
553
Joyce St NB
113
Joyce St SB
109
Key Bridge East
3159
Key Bridge West
1269
Roosevelt Bridge
170
TR Island Bridge
1107
WOD Bon Air Park
917
WOD Bon Air West
956
WOD Columbia Pike
845
WOD East Falls Church
583

All counters, YTD

View Counter Data
Year to Date
4444088
About Arlington’s Bicycle & Pedestrian Counter Program

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