Downtown Seattle and SODO construction

Last update: 4:15 p.m. Friday, March 22

This information changes frequently so please check back often. Travelers can also call 5-1-1 or for real-time traffic and weather updates. For city street closure information check with the Seattle Department of Transportation.

I-5

Express Lanes Schedule Changes

Highway: I-5    Region: Northwest    County: King    Location: Milepost(s) 165.29 - 172.43
ContactJoseph Calabro, Communications, 206-440-4452
Description: The I-5 express lanes are used to assist the flow of traffic during busy travel times. These lanes are scheduled to move in the direction that will relieve the most congestion from the transportation system.
Express lanes schedule
Work schedule:

  • No changes are scheduled.

SB S Lucile St to Spring St Pavement Repair - #9235

Highway: I-5    Region: Northwest    County: King    Location: Milepost(s) 143.85 - 165.62
Contact: Mike Askarian, Project Engineer, 206-768-5861
Description: WSDOT contractor crews are replacing broken concrete panels, grinding and repaving southbound I-5 and the collector/distributor between Spring Street and South Lucile Street in Seattle.
Project webpage
Work schedule:

  • No lane or ramp closures are scheduled.

NB MLK Jr Way to NE Ravenna Br Pavement Repair - #8952

Highway: I-5    Region: Northwest    County: King    Location: Milepost(s) 157.44 - 170.28
Contact: Ed Kane, Project Engineer, 425-225-8743
Description: WSDOT contractor crews are replacing 37 expansion joints and large sections of concrete pavement on northbound I-5 between MLK Junior Way South/SR 900 in Tukwila and Northeast Ravenna Boulevard in Seattle.
Project webpage
Work schedule:

  • No lane or ramp closures are scheduled.

Sound Transit's East Link Extension - E130

Highway: I-5    RegionNorthwest    County: King    Location: Milepost(s) 164.00
ContactZack Ambrose, Sound Transit, 206-903-7176
Description: Sound Transit crews are constructing the East Link light rail extension from Seattle to Redmond.
Project webpage
Work schedule

  • No lane or ramp closures are scheduled.

Express Lanes Entrances Electronic Sign Replacement - #9272

Highway: I-5    Region: Northwest    County: King    Location: Milepost(s) 165.39 - 172.61
Contact: Ed Kane, Project Engineer, 425-225-8743
Description: WSDOT contractor crews are replacing the sign structures and brackets, along with the electrical and fiber optic systems at seven entrances to the I-5 express lanes. A few of the sign structures will also be redesigned to create a better viewing angle.
Project webpage
Work schedule:

  • Monday, March 25, to the morning of Tuesday, March 26 – The right lane of southbound 7th Avenue Northeast at the 7th Avenue Northeast on-ramp to the southbound I-5 express lanes will be closed from 9 p.m. to 4 a.m. nightly.
  • Monday, March 25, to the morning of Friday, March 29 – The 7th Avenue Northeast on-ramp to the southbound I-5 express lanes will be closed from 9 p.m. to 4 a.m. nightly.
  • Wednesday, March 27, to the morning of Friday, March 29 – The Northeast Ravenna Boulevard on-ramp to the southbound I-5 express lanes will be closed from 8 p.m. to 4 a.m. nightly.
  • Wednesday, March 27, to the morning of Friday, March 29 – The Northeast Ravenna Boulevard on-ramp to the southbound I-5 express lanes will be closed from 9 p.m. to 5 a.m. nightly.

SR 99

Alaskan Way Viaduct Replacement Project - #9160

Highway: SR 99    RegionNorthwest    County: King    Location: Milepost(s) 30.36 - 32.86
Contact: Laura Newborn, Communications, 206-805-2871
Description: WSDOT contractor crews are building a new SR 99 tunnel through downtown Seattle.
Project webpage
Work schedule:

  • Tuesday, March 26, to the morning of Wednesday, March 27 - The northbound SR 99 off-ramp to Dearborn Street/Alaskan Way will close from 9 p.m. to 5 a.m.

Alaskan Way Viaduct Demolition, Decommissioning & Surface Street Project - #9127

Highway: SR 99    RegionNorthwest    County: King    Location: Milepost(s) 30.36 - 32.86
Contact: Laura Newborn, Communications, 206-805-2871
Description: WSDOT contractor crews are demolishing the Alaskan Way Viaduct in downtown Seattle. 
Project webpage
Work schedule:

  • Thursday, March 21, until further notice - The right lane of northbound Alaskan Way South between Jackson Street and Marion Street will be closed from 7 a.m. to 5 p.m. nightly. 
  • Thursday, March 21, until further notice - Western Avenue between Columbia Street and Marion Street will be closed from 7 a.m. to 6 p.m. daily.
  • Monday, March 25, to the morning of March 26 - All lanes of southbound 7th Avenue between Thomas Stereet and Denny Way will be closed from 9 p.m. to 5 a.m. 
  • Monday, March 25 - The right lane of southbound SR 99 at Admiral Way will be closed from 7 a.m. to 3 p.m. 
  • Tuesday, March 26 - The right lane of northbound East Marginal Way at Ellis Avenue will be closed from 7 a.m. to 3 p.m.

Roy St to N 145th St Paving & ADA Compliance - #9256

Highway: SR 99    Region: Northwest    County: King    Location: Milepost(s) 32.90 - 40.48
Contact: Mike Askarian, Project Engineer, 206-768-5861
Description: WSDOT contractor crews are grinding and repaving both directions of SR 99 between Roy Street and North 145th Street in Seattle. Dozens of curb ramps are also being rebuilt or added to provide better sidewalk connections for people of all abilities.
Project webpage
Work schedule:

  • Friday, March 22, to the morning of Saturday, March 23 - The BAT lane in both directions of SR 99 between North 104th Street and North 131st Street willl be closed from 7 p.m. to 7 a.m.
  • Friday, March 22, to the morning of Saturday, March 23 - The right lane in both directions of SR 99 between North 104th Street and North 131st Street willl be closed from 7 p.m. to 10 a.m.
  • Saturday, March 23 - The BAT lane in both directions of SR 99 between Winona Avenue and North 115th Street will be closed from 7 a.m. to 7 p.m.
  • Saturday, March 23, to the morning of Monday, March 25 - The BAT lane in both directions of SR 99 between North 104th Street and North 131st Street willl be closed from 7 a.m. Saturday to 5 a.m. Monday. 
  • Saturday, March 23, to the morning of Sunday, March 24 - The right lane in both directions of SR 99 between North 104th Street and North 131st Street willl be closed from 7 p.m. to 10 a.m.
  • Monday, March 25, to the morning of Tuesday, March 26 - The BAT lane of southbound SR 99 at North 80th Street will be closed from 9 a.m. to 3 p.m.
  • Thursday, March 28, to the morning of Friday, March 29 - The BAT lane and right lane of northbound SR 99 between Raye Street and North 136th Street willl be closed from 8 p.m. to 5 a.m.
  • Friday, March 29, to the morning of Monday, April 1 - The BAT lane in both directions of SR 99 between North 114th Street and North 136th Street will be closed from 7 p.m. Friday to 5 a.m. Monday.
  • Friday, March 29, to the morning of Sunday, March 31 - The right lane in both directions of SR 99 between North 114th Street and North 136th Street will be closed from 7 p.m. to 10 a.m. nightly. 
  • Sunday, March 31, to the morning of Monday, April 1 - The two right lanes of northbound SR 99 between North 50th Street and North 68th Street will be closed from 7 p.m. to 5 a.m. 

* The BAT lane is the Business Access & Transit lane. 

Aurora Bridge Painting (Stage 2) - #9168

Highway: SR 99    Region: Northwest    County: King    Location: Milepost(s) 34.17 - 34.73
Contact: Ed Kane, Project Engineer, 425-225-8743
Description: WSDOT contractor crews are cleaning and repainting the SR 99 Aurora Bridge. Crews are also grinding and repaving the driving surface of the bridge.
Project webpage
Work schedule:

  • No lane or ramp closures are scheduled.

SR 513

West Approach Bridge North - #8625

Highway: SR 513    Region: Northwest    County: King    Location: Milepost(s) 0.00
Contact: SR 520 Bridge Replacement & HOV Program, 206-770-3554
Description: The West Approach Bridge North Project is the latest phase of construction of the SR 520 Bridge Replacement and HOV Program and will extend SR 520's three westbound lanes from the new floating bridge to the Montlake area in Seattle.
Work schedule:

  • No lane or ramp closures are scheduled.

SR 520

West Approach Bridge North - #8625

Highway: SR 520    Region: Northwest    County: King    Location: Milepost(s) 0.88 - 3.04
Contact: SR 520 Bridge Replacement & HOV Program, 206-770-3554
Description: The West Approach Bridge North Project is the latest phase of construction of the SR 520 Bridge Replacement and HOV Program and will extend SR 520's three westbound lanes from the new floating bridge to the Montlake area in Seattle.
Work schedule:

  • No lane or ramp closures are scheduled.