I-90 & SR 520 construction

Last update: 2:25 p.m. Friday, May 29

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:

 

  • Monday, June 1 – The westbound I-90 HOV lane between Mercer Way and the Luther Burbank lid will close from 10 a.m. to 2 p.m.
  • Monday, June 1 to the afternoon of Friday, June 5 – The eastbound I-90 HOV off-ramp to Island Crest Way will close from 9 a.m. to 3 p.m. daily.
  • Monday, June 1 to the afternoon of Friday, June 5 – The Island Crest Way HOV on-ramp to westbound I-90 will close from 9 a.m. to 3 p.m. daily.
  • Wednesday, June 3 to the morning of Thursday, June 4 – The HOV lane and two general purpose lanes of westbound I-90 between the Mercer Island Tunnel and the floating bridge will close from 8 p.m. to 5 a.m. daily.

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

  • Friday, Dec. 20, to Friday, June 19 – The Bellevue Way HOV on-ramp to westbound I-90 is closed.
  • Monday, June 1 to the morning of Friday, June 5 –The eastbound I-90 off-ramp to Bellevue Way SE will close from 9 p.m. to 5 a.m. nightly.
  • Monday, June 1 to the morning of Friday, June 5 –The eastbound I-90 HOV off-ramp to Bellevue Way SE will close from 9 p.m. to 5 a.m. nightly.
  • Monday, June 1 to the morning of Friday, June 5 –The westbound I-90 off-ramp to Richards Road will close from 9 p.m. to 5 a.m. nightly.
  • Monday, June 8 to the morning of Friday, June 12 – The westbound I-90 HOV lane between Richards Road and Bellevue Way will close from 9 p.m. to 5 a.m. nightly.
  • Monday, June 8 to the morning of Friday, June 12 – Two lanes of westbound I-90 between Richards Road and Bellevue Way will close from 11 p.m. to 5 a.m. nightly.

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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

  • Thursday, June 11 to the morning of Friday, June 12 – The Mercer Way on-ramp to eastbound I-90 will close from 8 p.m. to 5 a.m. nightly.

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:

  • Wednesday, June 3 to the morning of Thursday, June 4 – The eastbound I-90 off-ramp to Factoria Boulevard will close from 9 p.m. to 5 a.m. nightly.

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, June 1 to the morning of Tuesday, June 2 – Up to three lanes on eastbound I-90 between 150th Avenue and SR 900 will close from 8 p.m. to 6 a.m.
  • Monday, June 1 to the morning of Tuesday, June 2 – The 142nd Place Southeast HOV on-ramp to eastbound I-90 will close from 8 p.m. to 5 a.m.
  • Monday, June 1 to the morning of Tuesday, June 2 – The 150th Avenue on-ramp to eastbound I-90 will close from 9 p.m. to 5 a.m.
  • Monday, June 1 to the morning of Tuesday, June 2 – The 37th Street on-ramp to eastbound I-90 will close from 9 p.m. to 5 a.m.
  • Monday, June 1 to the morning of Tuesday, June 2 – The West Lake Sammamish Parkway on-ramp to eastbound I -90 will close from 9 p.m. to 5 a.m. nightly.
  • Monday, June 1 to the morning of Tuesday, June 2 – The eastbound I -90 off-ramp to West Lake Sammamish Parkway will close from 9 p.m. to 5 a.m. nightly.
  • Monday, June 1 to the evening of Friday, June 5 – The right lane on westbound I-90 between SR 900 and 150th Avenue will close from 9 a.m. to 7 p.m. nightly.
  • Tuesday, June 2 to the morning of Friday, June 5 – The left lane on eastbound I-90 between 150th Avenue and SR 900 will close from 8 p.m. to 6 a.m.
  • Thursday, June 1 to the morning of Friday, June 5 – The right lane on westbound I-90 between SR 900 and 150th Avenue will close from 5 p.m. to 2 a.m.
  • Monday, June 8 to the morning of Wednesday, June 10 – The right lane on westbound I-90 between SR 900 and 150th Avenue will close from 5 p.m. to 2 a.m.
  • Monday, June 8 to the evening of Wednesday, June 10 – The right lane on westbound I-90 between SR 900 and 150th Avenue will close from 10 a.m. to 7 p.m. nightly.
  • Monday, June 8 to the evening of Friday, June 12 – The right lane on westbound I-90 between SR 900 and 150th Avenue will close from 10 a.m. to 5 p.m. nightly.
  • Friday, June 5 to the morning of Tuesday, June 9 – The westbound I -90 off-ramp to 156th Avenue will close from 9 p.m. to 5 a.m. nightly.
  • Friday, June 5 to the morning of Tuesday, June 9 – The 37th Street on-ramp to eastbound I-90 will close from 9 p.m. to 5 a.m.

 

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:

  • No lane or ramp closures scheduled. 

SR 520

Emergency sign bridge repair

Highway: SR 520    Region: Northwest    County: King    Location: Milepost(s) 0.0 - 0.94
Contact: Joseph Calabro, Communications, 206-440-4452
Description: WSDOT maintenance crews are removing a damaged sign bridge just west of Montlake Boulevard and installing temporary signage.
Work schedule:

  • No lane or ramp closures scheduled. 

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, June 1 – A lane on the Montlake Boulevard on-ramp to eastbound SR 520 will close from 10 a.m. to 2 p.m.
  • Monday, June 1 to the afternoon of Friday, June 5 – A lane on the westbound SR 520 off-ramp Montlake Boulevard will close from 8 a.m. to 4 p.m. daily.

 

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:

  • Sunday, May 31 to the morning of Monday, June 1 – The eastbound SR 520 off-ramp to 148th Avenue NE will close from 10 p.m. to 5 a.m.
  • Monday, June 1 to the morning of Saturday, June 6 – The eastbound SR 520 off-ramp to 148th Avenue NE will close from 9 p.m. to 5 a.m.
  • Tuesday, June 2 to the morning of Thursday, June 4 – The 148th Avenue NE on-ramp eastbound SR 520 off-ramp will close from 10 p.m. to 5 a.m.
  • Friday, June 5 to the morning of Saturday, June 6 – The eastbound SR 520 off-ramp to 148th Avenue NE will close from 10 p.m. to 5 a.m.
  • Friday, June 5 to the morning of Saturday, June 6 – The 148th Avenue NE on-ramp eastbound SR 520 off-ramp will close from 10 p.m. to 5 a.m.
  • Saturday, June 6 to the morning of Sunday, June 7 – Eastbound SR 520 between Northeast 40th Street and 140th Avenue Northeast will close from 9 p.m. to 8 a.m.
  • Saturday, June 6 to the morning of Sunday, June 7 – Two lanes of westbound SR 520 between 140th Avenue Northeast and Northeast 40th Street will close from 9 p.m. to 8 a.m.
  • Saturday, June 6 to the morning of Sunday, June 7 – The westbound SR 520 off-ramp to 148th Avenue NE will close from 9 p.m. to 5 a.m. nightly.
  • Saturday, June 6 to the morning of Sunday, June 7– The eastbound SR 520 off-ramp to 148th Avenue NE will close from 9 p.m. to 5 a.m.
  • Sunday, June 7 to the morning of Monday, June 8 – The eastbound SR 520 off-ramp to 148th Avenue NE will close from 10 p.m. to 5 a.m.
  • Sunday, June 7 to the morning of Monday, June 8 – The 148th Avenue NE on-ramp eastbound SR 520 off-ramp will close from 10 p.m. to 5 a.m.

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, June 11 to the morning of Saturday, June 13 – The Northeast 40th Street on-ramp to westbound SR 520 will close from 10 p.m. to 5 a.m. nightly.
  • Thursday, June 11 to the morning of Saturday, June 13 – The Northeast 40th Street on-ramp to eastbound SR 520 will close from 10 p.m. to 5 a.m. nightly.
  • Thursday, June 11 to the morning of Saturday, June 13 – The eastbound SR 520 off-ramp to Northeast 40th Street will close from 10 p.m. to 5 a.m. nightly.
  • Thursday, June 11 to the morning of Saturday, June 13 – The westbound SR 520 off-ramp to Northeast 40th Street will close from 10 p.m. to 5 a.m. nightly.
  • Thursday, June 11 to the morning of Saturday, June 13 – The westbound SR 520 off-ramp to 148th Avenue NE will close from 10 p.m. to 5 a.m. nightly.
  • Thursday, June 11 to the morning of Saturday, June 13 – The eastbound SR 520 off-ramp to 148th Avenue NE will close from 10 p.m. to 5 a.m.
  • Thursday, June 11 to the morning of Saturday, June 13 – Two left lanes of westbound SR 520 between Northeast 40th Street and 140th Avenue Northeast will close from 9 p.m. to 5 a.m. nightly.
  • Thursday, June 11 to the morning of Saturday, June 13 – Two left lanes of eastbound SR 520 between 140th Avenue Northeast and Northeast 40th Street will close from 9 p.m. to 5 a.m. nightly.

 

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:

  • Friday, May 8 to the morning of Saturday, May 19 – The Northeast 40th Street on-ramp to westbound SR 520 will close from 10 p.m. to 5 a.m. nightly.
  • Thursday, May 7 to the morning of Saturday, May 9 – The eastbound SR 520 off-ramp to Northeast 40th Street will close from 10 p.m. to 5 a.m. nightly.
  • Monday, May 11 to the morning of Tuesday, May 12 – The Northeast 40th Street on-ramp to westbound SR 520 will close from 10 p.m. to 5 a.m. nightly.
  • Thursday, May 14 to the morning of Saturday, May 16 – Two left lanes of westbound SR 520 between Northeast 40th Street and 140th Avenue Northeast will close from 9 p.m. to 5 a.m. nightly.
  • Thursday, May 14 to the morning of Saturday, May 16 – The eastbound SR 520 off-ramp to 148th Avenue NE will close from 10 p.m. to 5 a.m. nightly.
  • Monday, May 18 to the morning of Tuesday, May 19 – The eastbound SR 520 off-ramp to 148th Avenue NE will close from 10 p.m. to 5 a.m.

 

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 scheduled.