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SR 9/SR 204 Intersection Improvements – Closures and detours

Closures in the project area

The project team is planning to conduct major construction activities during three full closures spanning four days each over non-holiday/special event weekends. This strategy helps to ensure minimal disruption to business access and less diversion of traffic onto city streets. Traffic on SR 9 and SR 204 will be maintained at all times except during full closures.

WSDOT anticipates that the first of these three closures will take place this summer. The project team anticipates scheduling the second and third closures between spring and fall 2023.

The project team, along with construction contractor and the City of Lake Stevens, will determine the weekend closure dates. Once the weekend closure dates are determined, the project team will work to inform and prepare the Lake Stevens community by:

  • Posting detour notices and signage on the roadway at least 5 days in advance of any closure
  • Sharing detour maps at least one week in advance of the closure through social media and local community platforms
  • Coordinating with Lake Stevens businesses to share information during full closures
  • Staging police officers at intersections along the detour routes where necessary to help facilitate safe traffic movement
  • Diverting regional traffic along other regional routes to prevent congestion along the local detours

Construction sequence

Detour maps

Scroll through the maps below to preview the detour routes for each full closure.

Illustrated birds-eye-view map of the SR9 SR204 Intersection with different routes called out in bright colors.
This summer, the project team will complete construction of the new roundabout at the intersection of Vernon Road, North Davies Road, and Frontage Road over an extended, four-day weekend closure.
Illustrated birds-eye-view map of the SR9 SR204 Intersection with different routes called out in bright colors.
During the second full closure, the project team will complete construction of the new roundabout at State Route 9 and Vernon Road over an extended, four-day weekend period between Spring and Fall 2023.
Illustrated birds-eye-view map of the SR9 SR204 Intersection with different routes called out in bright colors.
During the third and final full closure, the project team will complete construction of the new roundabout at State Route 9 and State Route 204 over a four-day weekend period between Spring and Fall 2023. The new roundabout at State Route 9 and Vernon Road and the new roundabout at Vernon Road and North Davies Road will be fully operational and will help maintain access to businesses during this final closure.