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...
- Work begins this week to stabilize and clear a significant rockslide that sent thousands of cubic yards of debris across both directions of State Route 11/Chuckanut Drive, closing the road on April 22 just south of milepost 10 near Blanchard Road.
- SHINE - Due to mechanical issues, the State Route 104 Hood Canal Bridge closed to vehicle traffic.
- SNOQUALMIE – Both directions of State Route 18 will close around the clock for more than five days beginning Thursday night, May 15, near Interstate 90 to build the southern end of a new diverging diamond interchange.