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 and contact our research coordinators.

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

Slow down – lives are on the line.

Drive the posted speeds, they’re there for your safety.

Phone down, eyes up.

Pay attention – both to workers directing you and to surrounding traffic.

Stay calm

Expect delays, leave early or take an alternate route if possible; no appointment is worth risking someone’s life.