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.

News media can contact our communications staff for help and information about our transportation programs, projects and services.

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

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.

Washington State Ferries View sailing schedules, buy your tickets online, or save a spot for your vehicle on certain routes.

For emergencies such as roadway blockages or roadway damage, please call 911 WSDOT Headquarters (360) 705-7000 / (360) 705-7438 Open to the public 8 a.m.-5 p.m., Monday-Friday except state holidays Mailing Address Washington State Department of Transportation 310 Maple Park Avenue SE P.O. Box 47300 Olympia, WA 98504-7300

Jan 29, 2024 · OLYMPIA – The U.S. Department of Transportation announced the award of a $12 million grant to the states of Washington, Oregon and California to provide truck drivers with real-time truck parking availability information.

Dec 19, 2024 · MABTON – The Mabton area bridges reopened Dec. 19 after Washington State Department of Transportation and contractor crews replaced the slough bridge south of the Yakima River and retrofitted the Yakima River Bridge.

Online open houses for WSDOT projects and studies

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