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.
SR 520 I-5 Express Lanes Connection Project
We’re creating a direct bus and carpool connection from SR 520 to South Lake Union and downtown Seattle as part of a larger, ongoing effort to reconstruct the SR 520 corridor.
Access the resources you need to maintain and improve the transportation system.
Latest from WSDOT...
- ABERDEEN – As early as Monday, April 3, the right lane of US 12 will close during the day between Schrader Lane and Holbrook Lane east of Aberdeen. Contractor crews will make emergency repairs to the shoulder and embankment following a slide that happened in late December 2022. Crews expect to complete the repairs this spring, weather permitting.
- OLYMPIA – People who use the state highway system, whether rolling or walking, are invited to provide feedback on their experiences by ranking their satisfaction and perceived highway maintenance priorities. The information gathered will help the agency identify improvements and maintenance needs for the next five years.
- ISSAQUAH – Multi-day lane reductions will return to Interstate 90 between Preston and Issaquah starting Sunday night, April 9. The interstate will be reduced to one lane, 24 hours a day, a total of eight times this spring - six westbound and two eastbound.