The official home page for WSDOT. Take a look at how we keep people, businesses and the economy moving by operating and improving the state's transportation systems.

Passenger rail Find information on how we manage trains in Washington and learn about train safety and the rules to remember when traveling by passenger rail.

Washington State Department of Transportation 310 Maple Park Avenue SE Olympia, WA 98501 Mailing Address P.O. Box 47300 Olympia, WA 98504-7300 Persons who are hard of hearing …

View interactive maps of all the mileposts and Interstate exits on the Washington state highway system, or download and print PDF maps of the Washington state highway system.

Report material theft WSDOT is experiencing an increasing amount of theft of copper wire and other materials from the highway system. We are working with the Washington State Patrol to …

Transportation data View roadway, traffic and crash data as well as GIS maps and data layers for state routes and public roads.

Dive into WSDOT-related budget and financial information, including facts on transportation budgets, financial planning, forecasting, and financial reports and presentations.

Get to know your ferries All are welcome on Washington State Ferries Here are some helpful tips on how to navigate the ferries. First-time rider’s guide Riders with disabilities Route map (PDF …

Learn about express toll lanes, bridges and tunnels in Washington state, and how to save money on every toll with a Good To Go! account.

With this application you can view and query WSDOT survey monuments, National Geodetic Survey (NGS) stations, Washington state route mileposts and Washington county boundaries …