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...
- BOTHELL – Travelers across the Puget Sound region should prepare for difficult travel the weekend of Friday, March 13 through Monday morning, March 16.
- The timeline for crews to complete temporary emergency repairs of the northbound State Route 99 First Avenue South bridge has been extended to 11:59 p.m. on Friday, March 13.
- VANTAGE – Work to replace the Interstate 90 Vantage Bridge deck is underway for a third construction season. Traffic is reduced to a single lane in each direction around-the-clock, seven days a week with reduced speeds and a 9-foot-width restriction. All lanes will temporarily reopen during the following weekends: Memorial Day, Fourth of July and Labor Day. Construction pauses each winter, with work expected to continue through 2028.