About
Southwest Washington Regional Transportation Council
SW RTC is a three-county RTPO covering all of Clark, Skamania, and Klickitat counties. Clark County is also part of the bi-state Portland-Vancouver federal metropolitan planning area, represented by RTC. RTC is located within the Southwest 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.
