What is an RTPO?

A Regional Transportation Planning Organization (RTPO) is formed through a voluntary association of local governments within a county or contiguous counties. RTPO members include cities, counties, WSDOT, tribes, ports, transportation service providers, private employers and others.

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Washington State RTPOs

Click area of map and go to the WSDOT RTPO page.

RMTPO map Northeast Washington Regional Transportation Planning Organization Quad County Regional Transportation Planning Organization Spokane Regional Transportation Council (SRTC) TMA, MPO, and RTPO Skagit Metropolitan Planning Organization (SMPO) MPO and Skagit/Island (S/IRTPO) Regional Transportation Planning Organization Peninsula (PRTPO) Regional Transportation Planning Organization Benton-Franklin Council of Governments MPO and Benton-Franklin-Walla Walla RTPO Puget Sound Regional Council (PSRC) TMA, MPO, and RTPO Palouse (PRTPO) Regional Transportation Planning Organization Cowlitz-Wahkiakum Council of Governments MPO and Southwest Washington RTPO Lewis Clark Valley Metropolitan Planning Organization Whatcom Council of Governments MPO and RTPO Yakima Valley Conference of Governments (YVCOG) MPO and RTPO Wenatchee Valley Transportation Council Thurston RPC North Central RTPO Southwest Washington RTPO


Why were RTPOs created?

RTPOs were authorized as part of the 1990 Growth Management Act to ensure local and regional coordination of transportation plans.

Which Counties participate in RTPOs?

There are 14 RTPOs covering 38 of the 39 counties in Washington. San Juan County is not part of any RTPO.

What do RTPOs do?

RTPO planning must involve cities, counties, WSDOT, transit agencies, ports, and private employers. Among other duties individual RTPOs may perform to serve their membership, RTPOs are required to:

  • Prepare a Regional Transportation Plan and a Human Services Transportation PlanCertify that countywide planning policies are consistent with the Regional Transportation Plan
  • Develop and maintain a six-year Regional Transportation Improvement Program

Northeast Washington Regional Transportation Planning Organization Quad County Regional Transportation Planning Organization Spokane Regional Transportation Council (SRTC) TMA, MPO, and RTPO Skagit Metropolitan Planning Organization (SMPO) MPO and Skagit/Island (S/IRTPO) Regional Transportation Planning Organization Peninsula (PRTPO) Regional Transportation Planning Organization Benton-Franklin Council of Governments MPO and Benton-Franklin-Walla Walla RTPO Puget Sound Regional Council (PSRC) TMA, MPO, and RTPO Thurston Regional Planning Council (TRPC) MPO and RTPO Palouse (PRTPO) Regional Transportation Planning Organization Cowlitz-Wahkiakum Council of Governments MPO and Southwest Washington RTPO Southwest Washington Regional Transportation Council (RTC) TMA, MPO, and RTPO

Language assistance, inlcluding translated materials, for people with limited English proficiency is avialable upon request in compliance with Title VI of the Civil Rights Act of 1964 and Presidential Executive Order 13166. Jerry Ayres, HSTP project manager; ayresj@wsdot.wa.gov; 360-705-7912 (Olympia)

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