Downtown Seattle and SODO construction

Last update: 3 p.m. Friday, Feb. 1

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
ContactNicole Daniels, Communications, 206-440-4479
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.

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: Dave Lindberg, Project Engineer, 425-225-8725
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.

SB S Lucile St to Spring St Pavement Repair & ADA Compliance - #9235

Highway: I-5    Region: Northwest    County: King    Location: Milepost(s) 161.68 - 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.

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

  • Sunday, Jan. 27, to the morning of Friday, Feb. 1 - Up to two lanes of southbound I-5 at the I-90 interchange will be closed from 9 p.m. to 4 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: Dave Lindberg, Project Engineer, 425-225-8725
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, Feb. 4, to the morning of Wednesday, Feb. 6 - The Ravenna Boulevard on-ramp to southbound I-5 will be closed from 9 p.m. to 5 a.m. nightly.
  • Tuesday, Feb. 5, to the morning of Thursday, Feb. 7 - The 42nd Street on-ramp to southbound I-5 will be closed from 9 p.m. to 4 a.m. nightly.

Seattle Overhead Sign Work

Highway: I-5    Region: Northwest    County: King    Location: Milepost(s) 167.20
ContactAlly Barrera, communications, 206-440-4457
Description: WSDOT Maintenance crews will place a new overhead sign near the Mercer Street off-ramp to southbound I-5.
Work schedule:

  • Sunday, Jan. 27, to the morning of Monday, Jan. 28 - The Mercer Street on-ramp to southbound I-5 will be closed from 10 p.m. to 4 a.m.

SR 99

S Cloverdale St to Duwamish River Paving & ADA Compliance - #9239

Highway: SR 99    Region: Northwest    County: King    Location: Milepost(s) 25.90 - 30.00
Contact: Aleta Borschowa, Project Engineer, 206-768-5601
Description: WSDOT contractor crews are repaving the roadway and replacing the ADA ramps between the sidewalk and the street at some locations, which will provide better sidewalk connections for people of all abilities
Project webpage
Work schedule:

  • Monday, Jan. 28, to the morning of Tuesday, Jan. 29 - One lane of northbound SR 99 between South Director Street and Holden Street will be closed from 8 p.m. to 5 a.m. 

Alaskan Way Viaduct Replacement Project

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:

  • Friday, Jan. 4 (28-day closure) - The Royal Brougham on-ramp to northbound SR 99 will close for 28 days beginning at 10 p.m. Friday, Jan. 4.
  • Friday, Jan. 4 (28-day closure) - The southbound SR 99 off-ramp to Atlantic Street will close for 28 days beginning at 10 p.m. Friday, Jan. 4. 
  • High Impact: Friday, Jan. 11 (21-day closure) -  All lanes of SR 99 between Spokane Street and Western Avenue will close for three weeks beginning at 10 p.m. Friday, Jan. 11.
  • Saturday, Jan 26, to the morning of Wednesday, Jan. 30 - The right lane of southbound SR 99 between Queen Anne Drive and Aloha Street will be closed from 9 p.m. to 5 a.m. nightly. 
  • Sunday, Jan. 27 - The Western Avenue on-ramp to northbound SR 99 will be closed from 9 a.m. to 4 p.m. 
  • Wednesday, Jan. 30, to the morning of Thursday, Jan. 31 - The Western Avenue on-ramp to northbound SR 99 will be closed from 9 p.m. to 5 a.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 construction crews are grinding and repaving 7.5 miles of SR 99/Aurora Avenue North between Roy Street and North 145th Street in Seattle. Dozens of pedestrian ramps will also be rebuilt. The BAT lane is the Business Access and Transit lane. 
Project webpage
Work schedule:

  • Thursday, Feb. 7, to the morning of Friday, Feb. 8 - The BAT lane and one general purpose lane in both directions of SR 99 between North 89th Street and North 91st Street will be closed from 8 p.m. to 4 a.m.
  • Friday, Feb. 8, to the morning of Sunday, Feb. 10 - One general purpose lane in both directions of SR 99 between North 89th Street and North 91st Street will be closed from 7 p.m. to 10 a.m. nightly.
  • Friday, Feb. 8, to the morning of Monday, Feb. 11 - The BAT lane in both directions of SR 99 between North 80th Street and North 85th Street will close at 7 p.m. Friday and reopen at 4 a.m. Monday. 

Aurora Bridge Painting (Stage 2) - #9168

Highway: SR 99    Region: Northwest    County: King    Location: Milepost(s) 34.17 - 34.73
Contact: Dave Lindberg, Project Engineer, 425-225-8725
Description: WSDOT construction crews are cleaning and repainting the Aurora Bridge. Crews are also grinding and repaving the driving surface of the bridge, and repairing seven expansion joints.
Project webpage
Work schedule:

  • Monday, Feb. 4, to the morning of Friday, Feb. 8 - One lane in each direction of SR 99 over the Aurora Bridge will be closed from 9 p.m. to 5 a.m. nightly. 

SR 513

West Approach Bridge North - #8625

Highway: SR 513    Region: Northwest    County: King    Location: Milepost(s) 0.00
Contact: SR 520 Bridge Replacement and 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 and 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.