Planning guidance

Learn about community planning, local planning and tribal planning. Get planning study guidance.

Find state transportation data for local and regional planners, decision-makers and the public to better understand the state's transportation system.

Corridor sketch summaries describe the functionality and features of our state highways. Each summary has information that guides highway improvements.

View a list of transportation planning-related resources for updating local government comprehensive plans.

Find information and examples of how and why we measure ease of use of the state's transportation network.

Find the guidance and tools to conduct and document a planning study.

Find information about transportation demand management, and learn about how to incorporate it into your projects and programs.

We coordinate with our state's Tribal transportation planning organization, 12 metropolitan planning organizations (MPOs) and 17 regional transportation planning organizations (RTPOs) on Tribal and regional transportation plans. This page identifies these partner agencies and contacts. It also describes administrative and technical assistance, coordination support activities, pass-through services, and other ways we are active in the regional transportation planning process.

8,683 animals crossed the Snoqualmie Pass East Project area

as recorded by WSDOT and partners in 2020 and 2021.

46% increase in Amtrak Cascades ridership to 251,000 passengers

in 2021 compared to 172,000 in 2020.

Nine wetland and stream mitigation sites across 32.7 acres added

to our monitoring program in 2021 to help offset climate change impacts.