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Weekly update of construction closures in Downtown Seattle and SODO

Last updated:  11 a.m., April 22, 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.  

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North end  | Central  |  SODO | Regional closures |   

Regional High-Impact Closures

Last updated: 11 a.m., 4/22
WSDOT:
SR 99 North Access Project

  • Friday, April 24 and Monday, April 27 - The left lane of northbound SR 99 between Mercer and Galer streets will be closed from 10 a.m. to 2 p.m.  This closure is also scheduled for Monday, April 27, as needed.

Last update: 11 a.m., 4/22
WSDOT Maintenance

  • Sunday, April 26 - The two right lanes of southbound SR 99 across the Aurora Bridge will be closed from 6 a.m. to noon.

Last update: 11 a.m., 4/22
WSDOT: I-90 Two-Way Transit and HOV

  • Beginning Tuesday, March 3 - The eastbound I-90 HOV ramp to I-405 will be closed around the clock. It is anticipated to reopen on April 30.
  • Friday, May 1 through Sunday, May 3 - The eastbound I-90 mainline will be closed between Seattle and Bellevue from 11 p.m. Friday to 5 a.m. Monday. Traffic will be detoured to the Express Lanes during this time.

 

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: 11 a.m., 4/22
WSDOT:
SR 99 North Access Project

  • Friday, April 24 and Monday, April 27 - The left lane of northbound SR 99 between Mercer and Galer streets will be closed from 10 a.m. to 2 p.m. This closure is also scheduled for Monday, April 27, as needed.


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: 10 a.m., 4/6
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 a.m., 1/9
WSDOT:
SR 99 Tunnel Project

  • No high-impact closures are scheduled at this time.

 

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Regional Closures   


Last update: 11 a.m., 4/22
WSDOT: SR 520 Bridge Replacement and HOV Project

  • There is no high impact closure scheduled at this time.


Last update: 11 a.m., 4/22
WSDOT: I-90 Two-Way Transit and HOV

  • Beginning Tuesday, March 3 - The eastbound I-90 HOV ramp to I-405 will be closed around the clock. It is anticipated to reopen on April 30.
  • Friday, May 1 through Sunday, May 3 - The eastbound I-90 mainline will be closed between Seattle and Bellevue from 11 p.m. Friday to 5 a.m. Monday. Traffic will be detoured to the Express Lanes during this time.

Last update: 11 a.m., 4/22
WSDOT Maintenance

  • Sunday, April 26 - The two right lanes of southbound SR 99 across the Aurora Bridge will be closed from 6 a.m. to noon. 


Last update: 1 p.m., 4/17
I-5 express lanes schedule changes
Get the express lane schedule    

  • No high-impact closures scheduled at this time. 


Last update: 11 a.m., 4/22
I-90 express lanes schedule changes
Get the regular express lanes schedule.      

  • Saturday, April 25 and Sunday, April 26 - The express lanes will run westbound from 7 a.m. to 6:30 p.m. each day.  They will be open in the eastbound direction at 7:30 p.m. 


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