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...
- OLYMPIA – Studded tires must be removed by the end of the day Monday, March 31 to avoid a potential fine of $137. Automotive centers are expected to be busy the weekend before the deadline, so the Washington State Department of Transportation encourages travelers to plan ahead.
- FORKS – A project to remove barriers to fish under US 101 and State Route 109 on the Olympic Peninsula has passed the halfway point.
- OLYMPIA – A new interactive online tool helps partners and organizations across the state plan for more electric vehicle chargers, making it easier to expand charging access as more drivers make the switch to electric.