Library & research reports

Take a look at available library services and find current information about transportation research projects and reports.

Discover library services available to you, search our collections, access digital materials and contact our librarians.

Learn about applied transportation research conducted by WSDOT. Find information on current research projects, access research reports, watch our webinars, view our Research Procedures Manual and contact our research managers.

Check out these tools to find definitions of terms and decode common abbreviations used by WSDOT.

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.