About
Thurston Regional Planning Council
TRPC is a single-county RTPO covering all of Thurston County. This is the same boundary for the federal metropolitan planning area. TRPC is located within the Olympic Region of WSDOT.
Learn More About Your County & City Plans
If your county or city has this asterisk next to it, it's still growing! Some areas in our state partner with their regional planning agency to build their transportation plan.
