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WSDOT Road Project: Westbound SR 18 between Southeast 231st Street and the West Valley Highway

Post Date:05/03/2018 10:12 AM

May 3, 2018 – In the coming days/weeks, WSDOT will begin repaving a 13-mile portion of Westbound SR 18, between SE 231st Street and the West Valley Highway. Most of the work will take place overnight, although some work may impact the daytime commute. SR 18 will remain open for most of the work, but people who drive SR 18 overnight should plan for numerous ramp closures during the project. Signed detours will be in place for each ramp closure.

People who regularly travel SR 18 are encouraged to visit the WSDOT project webpage and sign up to receive email updates about the project: WSDOT Project Webpage

 For more information about the project, please contact Tom Pearce, WSDOT Communications at (206) 440-4696 or

News Release [PDF]

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