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SR 99 Both Directions - On SR 99 northbound & southbound at 1st Ave S Bridge (MP 26) all lanes will be closed today at 12:06 PM due to boat traffic. Drivers should anticipate a delay of up to 15 minutes or consider using an alternate route. Last Updated: 5/1/2016 12:06 PM More Info
At milepost 26
SR 99 Both Directions - Until further notice - Both directions of the Alaskan Way Viaduct/SR 99 between the West Seattle Bridge and the south end of the Battery Street Tunnel closed on Friday, April 29, for approximately two weeks for tunneling work. Last Updated: 4/29/2016 7:01 PM More Info
From milepost 29 to milepost 33
SR 99 Both Directions - The SR 99 Alaskan Way Viaduct is closed due to construction for approximately 2 weeks from W Seattle Bridge to Battery Street Tunnel. Last Updated: 4/30/2016 3:01 PM More Info
From milepost 22 to milepost 26