Construction Look Ahead

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January 11: Permanent Viaduct Closure - Full SR 99 closure through downtown.

February 1: The Battery Street Tunnel will close permanently at 10PM.

February 2 & 3: SR99 Tunnel Grand Opening Events will include an 8K run and Tunnel/Viaduct tour on Saturday and a bike ride Sunday morning.

February 16 - 17: Full closure of the Montlake Bridge, Sat 6AM - Sun 6PM.

Download the PDF version of this information.

Note: Information subject to change. Additional construction or events may be planned in the Seattle area.
Questions? Contact: or call 206-684-ROAD

SDOT Construction List
LocationDates and TimesProject Name / AgencyDescription of Traffic Impacts
Updated: 1/31/2019