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
US 395 - NSC Spokane River to Columbia - New Segment
We recently opened a new section of the North Spokane Corridor, a long-time-coming milestone that marks more than 70 percent of the project constructed.
Access the resources you need to maintain and improve the transportation system.
Latest from WSDOT...
- SEATAC – Tons of concrete and rebar will drop to the ground piece by piece when the demolition of the South 216th Street bridge over Interstate 5 in SeaTac begins Friday, Dec. 8.
- SEATTLE – Overhead ramp meters are coming to three Seattle on-ramps to northbound Interstate 5 as part of a project that begins Monday, Dec. 4. These new ramp meters will regulate traffic from the HOV lane and the general-purpose lane, replacing existing meters that only regulate the general-purpose lanes.
- SEATTLE – UPDATE: Please note the schedule and closure plans for this work have changed. This will allow for a shorter work schedule. See details in paragraphs three and four.