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Weekly update of construction closures in Downtown Seattle and SODO

Last updated: 12 p.m., Aug. 4, 2015 

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 update: 12 p.m., 8/4
WSDOT:
SR 520 Bridge Replacement and HOV Project

  • Friday, Aug. 7 until Monday, Aug. 10 - Multiple closures along SR 520 may have great impacts to traffic. See details below.
    • Friday, Aug. 7 until Monday, Aug. 10 - The westbound SR 520 off-ramp to Montlake Boulevard will be closed from 11 p.m. Friday to approximately 5 a.m. Monday.
    • Saturday, Aug. 8 and Sunday, Aug. 9 - The right lane of westbound SR 520 between the west highrise of the floating bridge to Montlake Boulevard will be closed from 9 p.m. to 6 a.m. each night.
    • Sunday, Aug. 9 - Westbound SR 520 will be fully closed between 92nd Avenue Northeast to Montlake Boulevard from 11 p.m. Sunday until 5 a.m. Monday.

Last updated: 1 p.m., 7/28
WSDOT:
SR 99 North Access Project

  • Friday, Aug. 21 until Monday, Aug. 24 - SR 99 in both directions will be closed between the south end of the Battery Street Tunnel and Valley Street from 10 p.m. Friday until 5 a.m. Monday.
    • Closure begins at 10 p.m. in the southbound direction.
    • Northbound SR 99 will close approximately around 11 p.m.

Last update: 1 p.m., 7/28
WSDOT: Maintenance

  • Saturday, Aug. 22 - Up to two lanes of northbound SR 99 across the Aurora Bridge will be closed from 5 a.m. to 5 p.m.


Special Events Advisory

  • Friday, Aug. 7 - South Lake Union Block Party, Discovery Center Park, 11 a.m. to 11 p.m.
    • The South Lake Union Block Party will actually close John Street between Westlake Avenue North and 9th Avenue North from 6 a.m. Thursday until 6 p.m. Saturday.
  • Friday, Aug. 7 through Sunday, Aug. 9 - Mariners vs. Texas, Safeco Field.  Friday game starts at 7:10 p.m.  Saturday and Sunday games begin at 1:10 p.m.
  • Saturday, Aug. 8 - Taylor Swift concert, CenturyLink Field, 7 p.m. to 11 p.m.
  • Sunday, Aug. 9 - Lake Union 10K, South Lake Union Park, 7 a.m. to 11 a.m.  This event will close northbound Westlake Avenue North between Valley Street and the Fremont Bridge.


North End Closures

Last update: 1 p.m., 4/17
WSDOT:
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: 1 p.m., 7/28
WSDOT:
SR 99 North Access Project

  • Friday, Aug. 21 until Monday, Aug. 24 - SR 99 in both directions will be closed between the south end of the Battery Street Tunnel and Valley Street from 10 p.m. Friday until 5 a.m. Monday.
    • Closure begins at 10 p.m. in the southbound direction.
    • Northbound SR 99 will close approximately around 11 p.m.


City of Seattle:
Mercer Corridor project 

  • Get updates  from the Seattle Department of Transportation on Mercer Corridor Project closures and construction. 

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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: 2 p.m., 7/24
WSDOT:
SR 99 Tunnel Project

  • See closure for Seafair Pirate Run above.

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Regional Closures   


Last update: 12 p.m., 8/4
WSDOT: SR 520 Bridge Replacement and HOV Project

  • Friday, Aug. 7 until Monday, Aug. 10 - Multiple closures along SR 520 will have great impacts to traffic.  See details below.
    • Friday, Aug. 7 until Monday, Aug. 10 - The westbound SR 520 off-ramp to Montlake Boulevard will be closed from 11 p.m. Friday to approximately 5 a.m. Monday.
    • Saturday, Aug. 8 and Sunday, Aug. 9 - The right lane of westbound SR 520 between the west highrise of the floating bridge to Montlake Boulevard will be closed from 9 p.m. to 6 a.m. each night.
    • Sunday, Aug. 9 - Westbound SR 520 will be fully closed between 92nd Avenue Northeast to Montlake Boulevard from 11 p.m. Sunday until 5 a.m. Monday.


Last update: 12 p.m., 8/4
WSDOT: I-90 Two-Way Transit and HOV

  • Wednesday, Aug. 5 and Thursday, Aug. 6 - The following ramps along eastbound I-90 will be closed from 9 p.m. to 5 a.m. each night.
    • Eastbound I-90 ramp to Bellevue Way
    • Eastbound I-90 HOV ramp to I-405
    • The on-ramp from East Mercer Way to eastbound I-90
  • Monday, Aug. 10 through Thursday, Aug. 13 - The following ramps along eastbound I-90 will be closed from 9 p.m. to 5 a.m. each night.
    • Eastbound I-90 ramp to Bellevue Way
    • Eastbound I-90 HOV ramp to I-405
    • The on-ramp from East Mercer Way to eastbound I-90


Last update: 11 p.m., 8/4
WSDOT: Maintenance

  • Monday, Aug. 3 through Wednesday, Aug. 7 - A single lane of I-5 express lanes will be closed on the Ship Canal Bridge from 9 a.m. to 3 p.m. each day.
  • Saturday, Aug. 8 and Sunday, Aug. 9 - A single lane of I-5 on the Ship Canal Bridge will be closed from 5 a.m. to 11 a.m. each day.
  • Wednesday, Aug. 12 - SR 520 will undergo intermittent closures of up to 30 minutes between Montlake Boulevard and 92nd Avenue Northeast from 11:59 p.m. Wednesday until 5 a.m. Thursday.
  • Saturday, Aug. 22 - Up to two lanes of northbound SR 99 across the Aurora Bridge will be closed from 5 a.m. to 5 p.m.


Last update: 10 a.m., 7/27
I-5 express lanes schedule changes
Get the express lane schedule    

  • No high-impact schedule changes at this time.


Last update: 12 p.m., 8/4
I-90 express lanes schedule changes
Get the regular express lanes schedule.      

  • Wednesday, Aug. 5 and Thursday, Aug. 6 - The I-90 express lanes will be open for westbound service from 9 p.m. to 5 a.m. each night.
  • Saturday, Aug. 8 and Sunday, Aug. 9 - The I-90 express lanes will be open for westbound service from 7 a.m. to 2:30 p.m.  Express lanes will change to eastbound service by 3:30 p.m.
  • Monday, Aug. 10 through Thursday, Aug. 13 - The I-90 express lanes will be open for westbound service from 9 p.m. to 5 a.m. each night.





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