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
SR 509 Completion Project
The SR 509 Completion Project in south King County builds a new four-lane tolled expressway between I-5 and SR 509's current end near Seattle-Tacoma International Airport, builds new I-5 ramps, improves I-5 interchanges and builds new bridges.
Access the resources you need to maintain and improve the transportation system.
Latest from WSDOT...
- Online open house starts Jan. 28 with digital open house events Feb. 5 and Feb. 12
STANWOOD – The secret is out. Work to gain fish habitat in Secret Creek under Interstate 5 in northern Snohomish County begins Feb. 24.
From 6 p.m.to 12 p.m. daily. Monday through Friday, contractors working for the Washington State Department of Transportation will remove and replace old culverts that are near the end of their useful life.
- ELMA - Beginning 8 a.m. Monday, Feb. 3, the rest area will close around the clock until 3 p.m. Friday, Feb. 14. The planned closure will allow crews to finish upgrades to the facility's water system.