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.
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Latest from WSDOT...
Three-day closure of northbound SR 99 First Avenue South bridge begins March 9 for temporary repairs
SEATTLE – The Washington State Department of Transportation will begin temporary repairs on the northbound State Route 99 First Avenue South bridge during a three-day closure of all northbound lanes from 5 a.m. Monday, March 9, through 8 p.m. Wednesday, March 11.- 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.
- TAHOLAH - Work starts in March to improve fish migration at five locations under State Route 109 between Taholah and Moclips.