WSDOT's GMA website provides resources that can assist cities and counties with their GMA Comprehensive Plan updates.
The WSDOT Community Planning Portal website provides access to state transportation data for general planning purposes. The intent of the portal is to help local and regional planners, decision-makers, and citizens improve their understanding of the state transportation system.
SEPA provides a way to identify possible environmental impacts that may result from governmental decisions.
This is a summary of transportation funding programs and other transportation revenue sources (pdf 507 kb) in Washington state. This will help local governments assess the different kinds of funding opportunities available.
The INVEST tool is an online sustainability self-assessment tool created by the Federal Highway Administration for use by transportation agencies. WSDOT pilot-tested INVEST by evaluating three corridor plans and one project.