Projects and improvements in your county.
Explore the progress of projects focused on creating safe and reliable ways to move people and goods around Washington.
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Featured Project
I-5 Mounts Road to Steilacoom-DuPont Road Corridor Improvements Project
Washington’s third diverging diamond interchange opens soon in DuPont. The new overpass helps better connect DuPont and Joint Base Lewis-McChord.
Access the resources you need to maintain and improve the transportation system.
Latest from WSDOT...
- SEATTLE – Washington State Ferries is preparing for a surge in travel demand during the 2026 FIFA World Cup Seattle matches. The system plans to have more boats on standby, additional staffing and a stronger focus on maintaining service on its busiest routes.
- VANTAGE – Travelers who use both directions of Interstate 90 will encounter single-lane closures at night east of the Vantage Bridge to George starting on April 20 through mid-August.
- SNOQUALMIE – The Interstate 90 and State Route 18 diverging diamond interchange and widening project south of Snoqualmie is nearly complete.