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    SR 99 Alaskan Way Viaduct Closed | Tunnel Celebration Feb 2 & 3
    Posted on 01/09/2019
    Overview of SR 99 Closure

    The SR 99 Alaskan Way Viaduct will be closed by the WA State Dept of Transportation (WSDOT) for approximately 3-weeks starting on Fri, Jan 11 at 10 p.m. to realign into the new tunnel. 


    • The Viaduct will be closed down permanently Jan 11 for 3 weeks.
    • The Tunnel's Grand Opening Party is set for Feb 2-3.  
    • The Tunnel opens to traffic and the Viaduct will be demolished over the next 6 months.

    WSDOT has provided the following information:

    For additional updates visit the SPS Viaduct Closure webpage.