Planning study guidance

Use the guidance on this page to document environmental information, analysis and products during transportation planning for highway corridor and modal facility plans.

Avoid maintenance issues down the road by including this guidance in your planning process.

Consider priority design issues in the planning phase to reduce or redirect efforts during scoping and design.

Use this guidance to clarify your planning study recommendations in a way that WSDOT can support from a priority and programming perspective.

Use this guidance to include public transportation considerations in the process of developing planning studies.