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High Impact Alerts

  • Two week closure of the Alaskan Way Viaduct begins prior to the morning commute on Friday, April 29.

Features

Alaskan Way Viaduct Closure

Alaskan Way Viaduct Closure

Seattle's Alaskan Way Viaduct closes for approximately two weeks starting April 29.

North Cascades Highway Reopens

North Cascades Highway Reopens

SR 20 North Cascades Highway reopens.

Traffic impacts calendar

Traffic impacts calendar

Plan ahead by checking for major traffic impacts on all state highways.

Local Information

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