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.

Use this guidance to determine if a Planning and Environmental Linkages (PEL) study is right for your planning effort and to assist you throughout the PEL process.

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.

Learn about Tribal, metropolitan and regional transportation planning organizations, and the resources and rules related to these regional planning partners.

166,800 electric vehicle

registrations in Washington in 2023, up from 114,600 in 2022.

87 wetland compensation sites

actively monitored on 918 acres in 2023.

25,000 safe animal crossings

in the Snoqualmie Pass East Project area since 2014.