Planning study guidance

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

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 include public transportation considerations in the process of developing planning studies.

Zero emission electric vehicle registrations in Washington

increased 192% between 2017 and 2021.

45 projects to improve freight rail structures and freight movement

were underway as of December 31, 2021.

Washington state leveraged $100,000 to secure $27 million

in funding for airport investments in Fiscal Year 2022.