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Weekly update of construction closures in Downtown Seattle and SODO


Last updated: 12 p.m., February 12, 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: 12 p.m., 2/12
SR 99 North Access Project 

  • Monday, Feb. 8 to Friday, Feb. 12
    • One lane in each direction of SR 99 will be closed intermittently, as needed, between Harrison and Valley streets from 8 p.m. to 5 a.m.
  • Monday, Feb. 8 to late February
    • The southbound SR 99 curb/bus-only lane near Comstock Street will be closed for approximately one block around the clock.
    • An additional southbound lane may close at night from 8 p.m. to 6 a.m. as needed.
    • Buses traveling in the bus-only lane will merge into the general purpose lane a few blocks north of the closure.
  • Monday, Feb. 15 to Friday, Feb. 19
    • One lane of SR 99 may be closed intermittently between Raye and Comstock streets from 10 a.m. to 2 p.m.

 Aurora Bridge Painting

  • Monday, Aug. 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
    • The east sidewalk of SR 99 between Raye Street and Bridge Way North will close Jan. 25 to approximately September 2016.

North End Closures

Last update: 1 p.m., 4/17
SR 99 Tunnel Project 

  • Long-term closure - Sixth Avenue North is closed between Thomas and Republican streets. Sixth Avenue North will reopen in a new configuration after the SR 99 tunnel opens to traffic.
  • Long-term closure - Harrison Street is closed from Aurora Avenue North to Taylor Avenue North.  The street will reopen after the tunnel opens to traffic. 
  • Long-term closure - Republican Street is closed between Aurora Avenue North and Sixth Avenue North.

Last updated: 4:30 p.m., 2/5
SR 99 North Access Project

  • See details above.


Central Waterfront Closures    

Last update: 11 a.m., 6/29
WSDOT: 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: 11:30 a.m., 11/2
SR 99 Tunnel Project

  • No high-impact closure scheduled at this time.

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Regional Closures   

Last update: 12:30 p.m., 1/29
 WSDOT: SR 520 Bridge Replacement and HOV Project

  • Friday, Feb. 12 to Saturday, Feb. 13 - There will be a full closure of SR 520 in both directions between Montlake Boulevard and 92nd Avenue Northeast from 11 p.m. Friday to 5 a.m. Saturday.

Last update: 12 p.m., 2/12
WSDOT: I-90 Two-Way Transit and HOV

  • Friday, Feb. 19 to Monday, Feb. 22 - Eastbound I-90 will be closed and diverted to the center roadway between Seattle and Bellevue from 11 p.m. Friday to 5 a.m. Monday.

Last update: 12:30 p.m., 1/20
WSDOT: Maintenance

  • No high-impact closures scheduled at this time.

Last update: 12:30 p.m., 1/20
I-5 express lanes schedule changes
Get the express lane schedule     

  • No high-impact schedule changes planned at this time. 

Last update: 5 p.m., 1/25
I-90 express lanes schedule changes
Get the regular express lanes schedule.        

  • No high-impact schedule changes planned at this time.