An Overview of Transportation Concurrency

The Washington State Growth Management Act (GMA)pdf requires that transportation improvements or strategies to accommodate development be available when the impacts of development occur. “Concurrency” for transportation facilities is defined in the GMA and the Washington Administrative Code to mean that any needed transportation improvements or programs be in place at the time of development or that a financial commitment exists to complete the improvements or strategies within six years.

Bellevue Multimodal Concurrency Pilot Project.

For this 2008 report to the Washington State Joint Transportation Committee, the PSRC worked in consultation with the City of Bellevue and King County Metro to develop a template methodology for the incorporation of alternative modes into the Regulatory or Planning Concurrency process within regional growth centers.

A Regional Perspective – A series of reports developed in response to Destination 2030

Final Report – Project Summary and Recommendations [pdf]
The final report concludes PSRC’s two-year assessment of concurrency practices in the central Puget Sound region. The final report compiles and combines the findings from the three phases of work, and includes recommendations for PSRC actions and for local government concurrency programs.

Phase III Report – Workshop Results [pdf]
The goals of Phase III, the final investigative phase, were to work with the practitioners to conduct a hands-on workshop to develop recommendations for how concurrency might be further refined at the local and regional level, and to determine if there are any recommendations for legislative changes that need to be made at the state level. A workshop was held in November 2002, with over 80 stakeholders attending.

Phase II Report – Analysis of Practices [pdf]
The goals of Phase II were to review and analyze the concurrency programs for a selected group of jurisdictions. Jurisdictions were selected if they seemed to have innovative practices as identified in the Phase I inventory, and selected in order to provide some geographic and jurisdictional size equity. The Phase II work included focus group meetings, case study reviews of the selected jurisdictions’ concurrency programs, and a review of concurrency-related case law. The goals were to highlight innovative methods, describe best practices, and to assess the different approaches in place.

Phase I Report – Survey Results [pdf]
The goals of Phase I were to survey jurisdictions in the four-county region to determine if they have programs in place, how they are using them, whether they are working collaboratively, and to understand whether they believe changes are necessary. To meet these goals, PSRC inventoried jurisdictions’ programs and approaches.

For more information, contact Robin Mayhew at 206-464-7549.