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4th Ave S Overnight Closures

The contractor working for the Seattle Department of Transportation (SDOT) to widen the Spokane Street Viaduct will do overnight work every night except for Sunday night, between September 7 and September 17, positioning cranes and installing girders.  The work requires the complete closure of Fourth Avenue South between eastbound Spokane and Horton streets and will run from 10 p.m. to 5 a.m., except for the nights of September 9, 13 and 14, when work begins at 11 p.m. to accommodate Mariners and Sounders games.

Overnight closures will be between Spokane and Horton streets

During the overnight closures southbound traffic will be detoured west on Horton to First Avenue; northbound traffic will be detoured east on Spokane Street to Sixth Avenue.