Downtown Seattle and SODO construction

Last update: 10:55 a.m. Thursday, July 18

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 lane or ramp closures 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:

  • Tuesday, July 16, to the morning of Thursday, July 18 - The 6th Avenue South/James Street on-ramp to the southbound I-5 collector-distributor lanes will close from 9 p.m. to 5 a.m. nightly. This work is weather-dependent.
  • Tuesday, July 16, to the morning of Wednesday, July 17 - The southbound I-5 collector-distributor lanes off-ramp to South Dearborn Way will close from 9 p.m. to 5 a.m. This work is weather-dependent.
  • Tuesday, July 16, to the morning of Wednesday, July 17 - The southbound I-5 collector-distributor lanes off-ramp to South Airport Way will close from 9 p.m. to 5 a.m. This work is weather-dependent.
  • High Impact - Tuesday, July 16, to the morning of Wednesday, July 17 - The southbound I-5 collector/distributor will close at Airport Way from 11 p.m. to 4:30 a.m. During this time, all traffic will exit via the Airport Way off-ramp and follow the signed detours in place to access southbound I-5. This work is weather-dependent.
  • Wednesday, July 17, to the morning of Thursday, July 18 - The southbound I-5 collector-distributor lanes off-ramp to Edgar Martinez Drive/4th Avenue South will close from 9 p.m. to 5 a.m. This work is weather-dependent.
  • Wednesday, July 17, to the morning of Thursday, July 18 - The HOV lane of the southbound I-5 collector-distributor lanes ramp to eastbound I-90 will close from 9 p.m. to 5 a.m. This work is weather-dependent.
  • High Impact - Wednesday, July 17, to the morning of Friday, July 19 – All lanes of the southbound I-5 mainline just south of James Street be closed from 10 p.m. to 5 a.m. nightly. During this time, all traffic will be shifted to the collector-distributor lanes. This work is weather-dependent.

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:

  • Saturday, July 13, to the morning of Sunday, July 14 - The four left lanes of northbound I-5 between South Boeing Access Road and Albro Place will close from 9 p.m. to 5 a.m.
  • High Impact – Monday, July 15, to the morning of Friday, July 19 – All lanes of the northbound I-5 mainline just north of the I-90 Interchange will close from 11:59 p.m. to 5 a.m. nightly. During this time, all traffic will be shifted to the collector-distributor lanes.
  • Monday, July 15, to the morning of Friday, July 19 - The two left lanes of northbound I-5 between Pine Street and the Ship Canal Bridge will close from 9 p.m. to 5 a.m. nightly.
  • Monday, July 15, to the morning of Tuesday, July 16 - The three right lanes of northbound I-5 between South Boeing Access Road and Albro Place will close from 11 p.m. to 5 a.m.
  • Monday, July 15, to the morning of Tuesday, July 16 - The South Boeing Access Road on-ramp to northbound I-5 will close from 9 p.m. to 5 a.m.
  • Monday, July 15, to the morning of Tuesday, July 16 - The northbound I-5 off-ramp to Swift Avenue will close from 9 p.m. to 5 a.m.
  • Monday, July 15, to the morning of Tuesday, July 16 - The southbound I-5 off-ramp to Northeast 45th Street will close from 9 p.m. to 5 a.m.
  • Monday, July 15, to the morning of Tuesday, July 16 - The right lane of southbound I-5 between Northeast Ravenna Boulevard and Northeast 50th Street will close from 9 p.m. to 5 a.m.
  • Tuesday, July 15, to the morning of Wednesday, July 17 - The left lane of southbound I-5 between Northeast Ravenna Boulevard and Northeast 50th Street will close from 9 p.m. to 5 a.m. nightly.
  • Tuesday, July 16, to the morning of Wednesday, July 17 – The two right lanes of northbound I-5 between Northeast 45th Street and Northeast Ravenna Boulevard will close from 9 p.m. to 5 a.m.
  • Tuesday, July 16, to the morning of Thursday, July 18 - The four left lanes of northbound I-5 between South Boeing Access Road and Albro Place will close from 9 p.m. to 5 a.m. nightly.
  • Tuesday, July 16, to the morning of Thursday, July 18 - The Northeast Ravenna Boulevard on-ramp to southbound I-5 will close from 9 p.m. to 5 a.m. nightly.
  • Tuesday, July 16, to the morning of Thursday, July 18 - The Mercer Street on-ramp to northbound I-5 will close from 10 p.m. to 5 a.m. nightly.
  • Thursday, July 18, to the morning of Friday, July 19 – The Olive Way on-ramp to northbound I-5 will close from 10 p.m. to 5 a.m.
  • Thursday, July 18, to the morning of Friday, July 19 – The northbound I-5 off-ramp to Olive Way will close from 10 p.m. to 5 a.m.

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:

  • No lane or ramp closures are scheduled.

Ship Canal Bridge Maintenance

Highway: I-5    Region: Northwest    County: King    Location: Milepost(s) 168.02 - 169.39
Contact: Joseph Calabro, Communications, 206-440-4452
Description: WSDOT maintenance crews will perform concrete bridge deck repair on the southbound I-5 Ship Canal Bridge.  
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 will check operational systems inside the tunnel. 
Work schedule:

  • High impact: Friday, July 19, to the morning of Saturday, July 20 - Northbound SR 99 in the tunnel will fully 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:

  • Saturday, July 13 - The South Royal Brougham Way on-ramp to northbound SR 99 will close from 4 a.m. to 8 p.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:

  • 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 - Eastbound Seneca Street between Alaskan Way and Post Avenue will be closed. 
  • Until further notice - Union Street between Alaskan Way and 1st Avenue will be closed.
  • Until further notice - John Street between Dexter Avenue and 7th Avenue South will be closed.
  • Monday, July 8, to the evening of Friday, July 12 - The right lane of westbound Battery Street between First Avenue and Second Avenue will close from 6:30 a.m. to 6 p.m. daily.
  • Monday, July 8, to the evening of Friday, July 12 - The right lane of northbound Battery Street between Six Avenue and Denny Way will close from 7 a.m. to 3 p.m. daily.

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:

  • Thursday, July 11, to the morning of Friday, July 12 - Two lanes of northbound SR 99 between North 100th Street and North 125th Street will close 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: 

  • Thursday, July 11, to the morning of Friday, July 12 - Southbound SR 99 over the Aurora Bridge will be reduced to one open lane from 9 p.m. to 5 a.m.

Montlake Bridge Maintenance

Highway: SR 513    Region: Northwest    County: King    Location: Milepost(s) 0.15 - 0.46
Contact: Joseph Calabro, communications, 206-440-4452
Description: WSDOT maintenance crews will make repairs to the Montlake Bridge's grid deck. 
Work schedule:

  • Saturday, July 20 - A single lane in each direction of SR 513 will close from 6 to 11 a.m. 

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.