SR 203 between Carnation and Duvall closed this weekend

WDOT crews will be working to repair stretches of SR 203.


People traveling on State Route 203 between Carnation and Duvall will need to follow a signed detour route this weekend, from Saturday morning Feb. 29, to Sunday evening, March 1. 

During the closure, geotechnical engineers from the Washington State Department of Transportation will drill into the road to install monitoring equipment to determine the cause of a slow-moving landslide causing large cracks in the roadway.

The equipment will monitor how the hillside is moving, the water content of the soil beneath the road and determine the type of material on which the road is built.

The data collected will help to develop the repair plan.

SR 203 weekend closure

  • From 8 a.m. Saturday, Feb. 29, to 6 p.m. Sunday, March 1, SR 203 will close between Northeast 124th Street in Duvall and Northeast Carnation Farm Road in Carnation.
  • Local traffic will have access as far north as Northeast 88th Street and as far South as Northeast Stillwater Hill Road.
  • Freight traffic will need to use SR 202.

For the safety of the traveling public, traffic began alternating Tuesday afternoon, Feb. 18 when the southbound lane closed.

SR 203 Detour Route

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Tagged under: SR 203 Closure WSDOT