WSDOT Projects

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I-5 - 172nd Street NE (SR 531 Smokey Point) Interchange - Aerial Photos

An aerial view of the existing interchange

This is an aerial view of the current I-5 - SR 531 interchange looking northwest. Traffic often backs up around the bridge during peak travel times.

An aerial view of the proposed design for the interchange

This aerial view shows what the new interchange might look like when completed. There will be a new loop ramp from westbound SR 531 to southbound I-5 in addition to wider exit ramps with new turn lanes. Design engineers are still working on the final plans for this project.