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Transportation Demand Management (TDM)

Traffic and parking problems can be solved in one of two ways: (1) increase supply or (2) decrease demand.  

Increasing supply requires building new roads, widening existing roads, building more parking spaces, operating more transit services.  This can be expensive, time consuming, and in many instances unacceptable to business, governments, and/or the general public.

The demand for travel and parking can be influenced by Transportation Demand Management (TDM) programs.  Typical TDM measures include incentives to use transit, ride-sharing, parking management, alternative work schedules, bicycle and pedestrian improvements, better management of existing resources, and telecommuting.  TDM can be seen as any action or set of actions aimed at influencing people’s travel behavior in such a way that alternative options are presented and/or congestion is reduced.

These are relatively inexpensive measures that can be implemented quickly.  Most TDM programs are endorsed by government agencies and the general public.  Careful planning and marketing is required to gain employee and user acceptance.

TDM programs must be tailored to the specific project and user groups.  

We have prepared TDM programs for numerous federal agencies, major employers, mixed-use developments/town centers, and schools.  Our staff has expertise in market research, commuter outreach, monitoring, and campaign development and implementation.

We offer the following TDM products and services:

  • Site Specific TDM Plans/Trip Reduction Plans
  • Parking Demand Management Plans
  • TDM Program Management and Implementation
  • Special Event TDM Planning
  • Employer Outreach
  • Residential Outreach
  • Commuter Outreach
  • Community-Based Social Marketing (Individualized Marketing)
  • Campaign Development and Implementation
  • TDM Program Monitoring and Evaluation
  • Transportation Surveys and Focus Groups
  • TDM Training for Property Managers and Developers