I-90 & SR 520 construction

Last update: 1:47 p.m. Friday, March 27

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:

  • Saturday, March 21 to the morning of Sunday, March 22 – The right lane of eastbound I-90 on the floating bridge will close from 9 p.m. to 5 a.m. nightly.

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, May 1 – The Bellevue Way HOV on-ramp to westbound I-90 is closed.
  • Monday, March 23 to the morning of Thursday, March 26 – The Bellevue Way SE on-ramp to eastbound I-90 will close from 10 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

  • No lane or ramp closures scheduled. 

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:

  • Monday, March 16 to the morning of Friday, March 20 – The eastbound I-90 off-ramp to Factoria Boulevard will close from 9 p.m. to 5 a.m. nightly.
  • Monday, March 23 to the morning of Friday, March 27 – 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:

  • No lane or ramp closures scheduled. 

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:

  • No lane or ramp closures scheduled. 

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:

  • Saturday, March 28 to the morning of Sunday, March 29 – Westbound SR 520 between 140th Avenue NE and NE 40th Street will close from 9 p.m. to 7 a.m.
  • Saturday, March 28 to the morning of Sunday, March 29 – The two left lanes of eastbound SR 520 between NE 40th Street and 140th Avenue NE will close from 9 p.m. to 7 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:

  • No lane or ramp closures scheduled. 

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 scheduled.