Expect traffic delays on SR 203 for roadway sampling in Duvall, Monroe

Jan 13, 2026, 4:44 PM

Signage warning drivers to prepare to stop. (Photo: Scott Eisen, Getty Images)

(Photo: Scott Eisen, Getty Images)

Content Editor

State Route 203 (SR 203) between Duvall and Monroe will have alternating traffic on Wednesday and Thursday while crews conduct roadway sampling for a future project.

From 8 a.m. to 2 p.m. on Wednesday and Thursday, the Washington State Department of Transportation (WSDOT) will alternate traffic in sections between 268th Avenue N.E. at milepost 12 and the Skykomish River bridge at milepost 23, WSDOT announced.

Delays expected between Duvall, Monroe for roadway sampling

Travelers should expect delays while WSDOT crews work throughout the area.

WSDOT noted that if crews are unable to complete their work on Wednesday or Thursday, they may need an additional day to collect samples.

The extra day of closures would be on Friday between 8 a.m. and 11 a.m.

Real-time traffic information is available on WSDOT’s mobile app and the real-time travel map.

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