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...
- SEATTLE – As Washington State Ferries expands its service for the busy summer season, it will host two virtual community meetings in May to provide updates and answer questions.
- SHELTON – Community members can learn more about a planned roundabout on State Route 3 north of Shelton during an online open house.
- SEATTLE – People who walk, bike or roll through Seattle’s Montlake neighborhood will need to prepare for a five-year closure of the Bill Dawson Trail beginning Monday, May 12.