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...
- KENT – Drivers on eastbound State Route 516 in the Kent, Des Moines and SeaTac area need to be prepared for a temporary change in how they enter northbound Interstate 5.
- PORT ANGELES – A project to remove four barriers to fish in Clallam and Jefferson counties is scheduled to begin Monday, Feb. 24.
- ELMA - The rest area reopened Friday, Feb. 7, after water system upgrades.