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Weekly update of construction closures in Downtown Seattle and SODO

Last updated: 3:20 p.m., Oct. 24, 2016

This webpage contains information about WSDOT construction projects affecting vehicle or pedestrian traffic on I-5, SR 99, I-5/I-90 interchange, SR 519 and city streets through downtown Seattle and SODO. The information on this page could change without notice.

Get updates on city of Seattle closures and travel information from the Seattle Department of Transportation.  

Last updated: 3:20 p.m., 10/24
SR 99 North Access Project 

  • Monday, Oct. 17 until further notice - There will be multiple lane closures on the left side or right side of southbound SR 99 between Raye Street and Denny Way from 8 p.m. to 5 a.m. Mondays through Thursdays.
  • Monday, Oct. 24 through Friday, Oct. 28 - Portions of Harrison Street between Fifth Avenue North and Sixth Avenue North will be closed around the clock. Local access to Seattle Center Garage will be maintained during this time.

Aurora Bridge Painting

    • Monday, April 10 until further notice - Streets around and underneath the SR 99 Aurora Avenue Bridge may experience closures during a repainting project that will span two years. Most of the work will take place off the roads. Specific road closures will be listed as they are known. For more information, please visit the project webpage
    • Monday, April 11 further notice
      • The southbound right lane across the Aurora Bridge will be closed intermittently from 10 a.m. to 3 p.m. weekdays.
    • Monday, April 11 until further notice
      • Two right lanes of northbound SR 99 across the Aurora Bridge will be closed from 9 p.m. to 5 a.m. each night.


North End Closures

Last update: 11:20 a.m., 3/18
SR 99 Tunnel Project 

  • No high-impact closures scheduled at this time.

Last updated: 3:10 p.m., 4/22
WSDOT: SR 99 North Access Project

  • See details above.


Central Waterfront Closures    

Last update: 6:45 p.m., 3/31
SR 99 Tunnel Project   

  • Parking beneath the viaduct is permanently closed between South King Street and Virginia Street due to tunnel and Elliott Bay Seawall construction.

City of Seattle: Elliott Bay Seawall

City of Seattle: First Hill Streetcar


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SODO Closures

Last update: 1:00 p.m., 5/12
SR 99 Tunnel Project

  • No high impact closures scheduled at this time.

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Last update: 11:30 a.m., 10/11
WSDOT: SR 520 Bridge Replacement and HOV Project 

  • No high impact closures scheduled at this time.

Last update: 4:00 p.m., 10/21
WSDOT: I-90 Two-Way Transit and HOV

  • Friday, Nov. 4 to Monday, Nov. 7 -- Westbound I-90 will be reduced to one lane and diverted into the center roadway between Bellevue and Seattle from 11 p.m. Friday to 5 a.m. Monday.