Downtown Seattle and SODO construction

Last update: 1:20 p.m. Friday, Aug. 16

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
ContactThomas Charlson, Communications, 206-440-4699
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 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:

  • Friday, August 16, to the morning of Sunday, August 18 – The HOV lane of northbound I-5 between Northeast 175th Street and SR 104 will close from 9 p.m. to 10 a.m. nightly.
  • Friday, August 16, to the morning of Sunday, August 18 – The left lane of northbound I-5 between Northeast 175th Street and SR 104 will close from 10 p.m. to 9 a.m. nightly.
  • Friday, August 16, to the morning of Sunday, August 18 – The center lane of northbound I-5 between Northeast 175th Street and SR 104 will close from 11:00 p.m. to 7 a.m. nightly.
  • Friday, August 16, to the morning of Sunday, August 18 – The right lane of northbound I-5 between Northeast 175th Street and SR 104 will close from 11:59 p.m. to 7 a.m. nightly.
  • Friday, August 16, to the morning of Sunday, August 18 – The Northeast 175th Street on-ramp to northbound I-5 will close from 11 to 7 p.m. nightly.
  • Friday, August 16, to the morning of Sunday, August 18 – The northbound I-5 off-ramp to SR 104/Ballinger Way will close from 11 to 7 p.m. nightly.
  • Monday, August 19, to the morning of Friday, August 23 – The right lane of northbound I-5 between Northeast 175th Street and SR 104 will close from 10:30 p.m. to 5 a.m. nightly.
  • Monday, August 19, to the morning of Thursday, August 22 – The Northeast 175th Street on-ramp to northbound I-5 will close from 11 p.m. to 5 a.m. nightly.
  • Tuesday, August 20, to the morning of Thursday, August 22 – The northbound I-5 off-ramp to SR 104/Ballinger Way will close from 11 p.m. to 5 a.m. nightly.
  • Thursday, August 22, to the morning of Friday, August 23 – The northbound I-5 off-ramp to Northeast 130th Street will close from 10 p.m. to 5 a.m. nightly.

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

  • Monday, August 19, to the morning of Friday, August 23 – The right lane of northbound I-5 at the I-90 Interchange will close from 8 p.m. to 5 a.m. nightly.

Washington State Convention Center & Freeway Park Tunnels Lighting Controls Upgrade - #9331

Highway: I-5    RegionNorthwest    County: King    Location: Milepost(s) 165.00 - 165.75
ContactEvelyn Pao, Project Engineer, 206-440-4981
Description: WSDOT contractor crews will upgrade the lighting control under the Convention Center.
Work schedule

  • Monday, August 19, to the morning of Friday, August 23 – The two left lanes of southbound I-5 at Pike Street will close from 11 p.m. to 5 a.m. nightly.
  • Monday, August 19, to the morning of Friday, August 23 – The two right lanes of northbound I-5 between 8th Avenue South and Pike Street will close from 11 p.m. to 4:30 a.m. nightly.
  • Monday, August 19, to the morning of Friday, August 23 – The Cherry Street on-ramp to northbound I-5 will close from 11 p.m. to 4:30 a.m. nightly.

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:

  • No lane or ramp closures are scheduled.

SR 99

SR 99 Tunnel Maintenance

Highway: SR 99    RegionNorthwest    County: King    Location: Milepost(s) 30.36 - 32.86
Contact: Thomas Charlson, Communications, 206-440-4699
Description: WSDOT maintenance crews are checking operational systems inside the SR 99 tunnel. 
Work schedule:

  • Friday, Aug. 16, to the morning of Saturday, Aug. 17 - All lanes of the southbound SR 99 tunnel will close from 10 p.m. to 8 a.m. 

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 in downtown Seattle.
Project webpage
Work schedule:

  • No lane or ramp closures scheduled.

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:

  • Until further notice - The right lane of northbound Alaskan Way between University Street and Pike Street will be closed.
  • Until further notice - The right lane of northbound Alaskan Way between Dearborn Street and King Street will be closed. 
  • Until further notice - Yesler Way between 1st Avenue and Alaskan Way will be closed. 
  • Until further notice  - King Street between 1st Avenue and Alaskan Way will be closed.

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:

  • Sunday, Aug. 18, to the morning of Friday, Aug. 23 - Southbound SR 99 between North 100th Street and Winona Avenue will be reduced to a single lane from 7 p.m. to 5 a.m. nightly. 

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: 

  • High impact: Friday, Aug. 16, to the morning of Monday, Aug. 19 - SR 99 will be reduced to a single lane in each direction from 7 p.m. Friday to 5 a.m. Monday. This work is weather-dependent.

Montlake Bridge to Lake Washington I/C & Bridge Replacement - #9015

Highway: SR 520    Region: Northwest    County: King    Location: Milepost(s) 0.29 - 3.00
Contact: SR 520 Bridge Replacement & HOV Program, 206-770-3554
Description: WSDOT contractor crews are making safety and mobility improvements on SR 520 between Lake Washington and I-5.
Project webpage
Work schedule:

  • No lane or ramp closures are scheduled.