I-90 & SR 520 construction

Last update: 2:45 p.m. Friday, July 10

This information changes frequently. Please check back often. Travelers can also call 5-1-1 for real-time traffic and weather updates.

I-90

I-90 Maintenance

Highway: I-5    Region: Northwest    County: King    
Contact: DiAngelea Millar, Communications, 206-440-4452
Description: WSDOT maintenance crews will make repairs on I-90. 
Work schedule:

  • No lane or ramp closures scheduled. 

Sound Transit's East Link Extension - E130

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 2.54 - 8.84
Contact: Zack 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:

  • Wednesday, July 15 to Thursday, July 16 – The HOV lane and one general purpose lane on eastbound I-90 will close between Rainier Avenue and the Mount Baker Tunnel from 9 p.m. to 5 a.m.
  • Wednesday, July 15 to Thursday, July 16 – Two lanes on eastbound I-90 will close between East Mercer Way and the East Channel Bridge from 9 p.m. to 5 a.m.

Sound Transit's East Link Extension - E320

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 9.14
Contact: Jason Hampton, Sound Transit, 206-903-7177
Description: Sound Transit crews are constructing the East Link light rail extension from Seattle to Redmond.
Project webpage
Work schedule

  • Until further notice – The Bellevue Way SE HOV on-ramp to westbound I-90 is closed.
  • Monday, July 13 to the morning of Friday, July 17 – The Bellevue Way on-ramp to eastbound I-90 will close from 9 p.m. to 5 a.m. nightly.
  • Monday, July 13 to the morning of Friday, July 17 – The Bellevue Way HOV on-ramp to eastbound I-90 will close from 8 p.m. to 5 a.m. nightly.
  • Monday, July 13 to the morning of Friday, July 17 – The westbound I—90 off-ramp to Richards Road will close from 9 p.m. to 5 a.m. nightly.
  • Monday, July 13 to the morning of Friday, July 17 – The westbound I-90 off-ramp to Bellevue Way will close from 9 p.m. to 5 a.m. nightly.
  • Monday, July 13 to the morning of Friday, July 17 – The Richards Road on-ramp to westbound I-90 will close from 9 p.m. to 5 a.m. nightly.
  • Monday, July 13 to the morning of Friday, July 17 – The southbound I-405 HOV ramp to westbound I-90 will close from 8 p.m. to 5 a.m. nightly.
  • Monday, July 13 to the morning of Friday, July 17 – The Bellevue Way on-ramp eastbound I-90 will close from 8 p.m. to 5 a.m. nightly.
  • Monday, July 13 to the morning of Friday, July 17 – The Richards Road on-ramp to westbound I-90 will close from 9 p.m. to 5 a.m. nightly.

I-90 Et Al Ramp Meter Enhancement​ - #9459

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 8.35
Contact: Evelyn Pao, Project Engineer, 425-495-1577
Description: WSDOT crews work on Mercer Way ramp meter.

Work schedule

  • Monday, June 22 to the morning of Wednesday, June 24 – The East Mercer Way on-ramp to eastbound I-90 will close from 8 p.m. to 5 a.m.

City of Bellevue - I-405 to 132nd Ave SE - Mountains to Sound Greenway Trail

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 9.95
Contact: Chris Masek, City of Bellevue Project Manager, 425-452-4619
Description: City of Bellevue contractor crews are building a pedestrian/bicycle path over Factoria Boulevard and installing additional lanes on the eastbound I-90 off-ramp to Factoria Boulevard.
Project webpage
Work schedule:

  • No lane or ramp closures scheduled. 

Eastgate to SR 900 Corridor Improvements - #9429

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 11.55 - 15.52
ContactJames Harper, Project Engineer, 206-768-5862
Description: WSDOT contractor crews are adding capacity on both directions of I-90 between the Eastgate and West Lake Sammamish Parkway interchanges, by restriping the existing roadway and creating auxiliary lanes. Crews are also constructing noise walls in strategic locations within the project area to minimize traffic noise.
Project webpage
Work schedule:

 

  • Monday, July 13 to the morning of Friday, July 17 – Up to two lanes on eastbound I-90 between 150th Avenue and SR 900 will close from 8 p.m. to 6 a.m. nightly.
  • Monday, July 13 to the afternoon of Friday, July 17 – The right lane on eastbound I-90 between 150th Avenue and SR 900 will close from 5 a.m. to 2 p.m. daily.
  • Monday, July 13 to the afternoon of Friday, July 17 – The left lane on eastbound I-90 between 150th Avenue and SR 900 will close from 5 a.m. to 2 p.m. daily.
  • Monday, July 13 to the afternoon of Friday, July 17 – The right lane on westbound I-90 between 150th Avenue and SR 900 will close from 10 a.m. to 5 p.m. daily.
  • Friday, July 17 to the morning of Monday, July 20 – The westbound I-90 off-ramp to 156th Avenue 9 p.m. to 5 a.m. daily.

I-90/SR 18 Interchange Auxiliary Ramp - #9476

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 25.34 - 25.67
Contact: Mike Askarian, Project Engineer, 206-768-5861
Description: WSDOT contractor crews are modifying the existing Snoqualmie Parkway/SR 18 on-ramp to westbound I-90.
Work schedule:

  • Friday, July 10 to the morning of Sunday, July 12 – The Snoqualmie Parkway on-ramp to westbound I-90 will close from 8 p.m. through 5 a.m.

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.

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

    Highway: SR 520    Region: Northwest    County: King    Location: Milepost(s) 0.94 – 1.56
    Contact: SR 520 Bridge Replacement & HOV Program, 206-770-3554
    Description: The Montlake Project is the first stage of the SR 520 Bridge Replacement and HOV Program that will make key improvements to the Montlake area.
    Project webpage
    Work schedule:

    • Monday, July 6 to the morning of Tuesday, July 7 – The left lane of eastbound SR 520 a Montlake Boulevard will close from 8 p.m. to 6 a.m.
    • Tuesday, July 7 to the morning of Wednesday, July 8 – The right lane of eastbound SR 520 between Montlake Boulevard to Portage Bay will close from 9 p.m. to 5 a.m.
    • Wednesday, July 8 to the morning of Friday, July 10 – The right lane of westbound SR 520 between Portage Bay and Montlake Boulevard will close from 9 p.m. to 5 a.m.

    Eastside NE Points Drive and 92nd Ave Slide Repair - #9058

    Highway: SR 520    Region: Northwest    County: King    Location: Milepost 5.17
    Contact: Shane Spahr, Project Engineer, 360-848-7103
    Description: Contractor crews are repairing an overlay at the 92nd Avenue Northeast Kiss-and-ride and stabilizing the slope below NE Points Drive. 
    Work schedule:

    • Monday, June 8, to Friday, June 12 - Flaggers will alternate traffic on Northeast Points Drive just east of 96th Avenue Northeast from 7 a.m. to 5 p.m. daily.
    • Saturday, June 13 and Sunday, June 14 - Beginning at 7 a.m. daily, crews will close the 92nd Avenue NE kiss-and-ride. Pickups and drop-offs can be made using the bus pullout. Alternating traffic on 92nd Avenue is possible during work hours. 
    • Saturday, June 20 and Sunday, June 21 - Beginning at 7 a.m. daily, crews will close the 92nd Avenue NE kiss-and-ride. Pickups and drop-offs can be made using the bus pullout. Alternating traffic on 92nd Avenue is possible during work hours. 

    Sound Transit's East Link Extension - E360, E130

    Highway: SR 520    Region: Northwest    County: King    Location: Milepost(s) 7.00 - 9.50
    Contact: Ryan Bianchi, Sound Transit, 206-398-5070
    Description: Sound Transit crews are constructing the East Link light rail extension from Bellevue to Redmond.
    Project webpage
    Work schedule:

     

    • Monday, July 13 to the morning of Wednesday, July 15 – The 148th Avenue NE on-ramp to eastbound SR 520 will close from 10 p.m. to 5 a.m. nightly.
    • Monday, July 13 to the morning of Wednesday, July 15 – The eastbound SR 520 off-ramp to NE 40th Street will close from 10 p.m. to 5 a.m. nightly.
    • Monday, July 13 to the morning of Wednesday, July 15 – Two left lanes on eastbound SR 520 between NE 40th Street and 148th Avenue NE will close from 10 p.m. to 5 a.m. nightly.
    • Monday, July 13 to the morning of Friday, July 17 – The 148th Avenue NE on-ramp to westbound SR 520 will close from 10 p.m. to 5 a.m.
    • Monday, July 13 to the morning of Friday, July 17 – The westbound SR 520 off-ramp to NE 40th Street will close from 10 p.m. to 5 a.m.
    • Monday, July 13 to the morning of Wednesday, July 15 – Two left lanes on westbound SR 520 between 148th Avenue NE and NE 40th Street will close from 10 p.m. to 5 a.m. nightly.
    • Thursday, July 16 to the morning of Saturday, July 18 – The 148th Avenue NE on-ramp to eastbound SR 520 will close from 10 p.m. to 5 a.m.
    • Thursday, July 16 to the morning of Saturday, July 18 – The eastbound SR 520 off-ramp to NE 40th Street will close from 10 p.m. to 5 a.m.
    • Thursday, July 16 to the morning of Saturday, July 18 – Two left lanes on eastbound SR 520 between NE 40th Street and 148th Avenue NE will close from 10 p.m. to 5 a.m. nightly.

     

    RTS Microsoft Pedestrian Bridge

    Highway: SR 520    Region: Northwest    County: King    Location: Milepost(s) 10.14
    Contact: Jay Cooper, WSDOT Regional Transit Coordination, 206-716-1102
    Description: Microsoft contractor crews are constructing a pedestrian bridge to the Microsoft campus.
    Project webpage.
    Work schedule:

     

    • Thursday, July 16 to the morning of Saturday, July 18 – The NE 40th Street on-ramp to westbound SR 520 will close from 10 p.m. to 5 a.m.
    • Thursday, July 16 to the morning of Saturday, July 18 – The westbound SR 520 off-ramp to 148th Avenue NE will close from 11 p.m. to 5 a.m.
    • Thursday, July 16 to the morning of Saturday, July 18 – Westbound SR 520 between NE 40th Street and 148th Avenue NE will close from 11 p.m. to 5 a.m.

     

    City of Redmond - NE 51st Street Improvement Project

    Highway: SR 520    Region: Northwest    County: King    Location: Milepost(s) 10.72
    Contact: Eric Dawson, City of Redmond Project Engineer, 425-556-2867
    Description: City of Redmond contractor crews are improving signal efficiency and installing bike lanes.
    Project webpage
    Work schedule:

    • No lane or ramp closures are scheduled.

     

    Sound Transit's Redmond Link Extension - R200

    Highway: SR 520    Region: Northwest    County: King    Location: Milepost(s) 12.19 - 12.83
    Contact: Ryan Bianchi, Sound Transit, 206-398-5070
    Description: Sound Transit crews are constructing the Redmond Link light rail extension from Bellevue to Redmond.
    Project webpage
    Work schedule:

    • No lane or ramp closures are scheduled.