SR 203 lane closures starting soon for stormwater project
We’ve got a project kicking off soon along SR 203 in Carnation and Fall City, and it’ll mean some daily lane closures in the area.
Crews will be installing vegetation along the roadway. Alright, I know what you're thinking, "when did WSDOT get into gardening?" Well, it turns out plants are pretty good at filtering water that runs off the roadways. The vegetation we add will treat runoff before it reaches nearby wetlands and sensitive areas.
Starting with a bit of setup work April 27, you’ll see crews out along SR 203. Expect single-lane closures with flaggers alternating traffic through each work zone:
- Just north of Fall City near SE 3rd St (MP 1)
- Near NE 77th St north of Carnation (MP 8)
Closures will happen Monday–Friday, 10 a.m. to 10 p.m., and the project is expected to wrap up by summer 2026. Crews don't have any scheduled work the week of May 4-8.
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