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-90 Vantage Bridge – Replace Bridge Deck and Special Repairs
Travelers crossing the Columbia River on I-90 will see lane closures over spring and summer as crews work to replace the entire surface of Vantage Bridge.
Access the resources you need to maintain and improve the transportation system.
Latest from WSDOT...
- SEATTLE – Another busy weekend of roadwork is planned for Friday, Oct. 11, through Monday, Oct. 14, in the Puget Sound region.
Travelers on Interstate 5 in Seattle and between Federal Way and Tacoma, State Route 99 in Seattle, SR 520 across Lake Washington, US 2 in Snohomish, and I-405 in Bothell should prepare to encounter delays depending on both the day and the hours they plan to travel.
- TUKWILA – The on-ramp from SR 99/International Boulevard to eastbound SR 518 in Tukwila has reopened following emergency repairs to a culvert that failed last summer. Contractor crews installed a specialized liner to reinforce the culvert and prevent further erosion.
- SEATTLE – Both directions of the State Route 99 tunnel in Seattle will close the first two weekends in October for its first six-year inspection. The tunnel opened to travelers in February 2019 to replace the Alaskan Way Viaduct and provide safety and mobility improvements along Seattle's central waterfront.