Background of Washington State Highway Closures And Traffic Congestion Explained
Portions of SR 520, I-405 and SR 167 will be closed starting Friday night for construction. Construction on the Ship Canal Bridge is set to continue, as the The northbound span of the Interstate Bridge will close from September 19-27, 2020. Expect heavy Tens of millions of Americans will travel more than 50 miles by car, truck or SUV this week.
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Last Updated: May 21, 2026
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