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 - It may not be officially summer yet - but travelers should certainly plan ahead for summer-like crowds for the upcoming Memorial Day weekend.
- VANCOUVER – The final push to open a new pedestrian bridge crossing over State Route 500 in Vancouver began the week of May 5.
The Washington State Department of Transportation’s contractor, Cascade Bridge LLC, is building a new overcrossing that will shorten travel and reconnect neighborhoods. - GRAND MOUND – Community members can learn more about a planned roundabout on US 12 west of Grand Mound during an online open house.