I-90 & SR 520 construction

Last update: 9:45 a.m. Friday, Dec. 14

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

I-90

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, Dec. 17 to Wednesday, Dec. 19 - The Island Crest Way HOV ramp to westbound I-90 will be closed from 9 a.m. to 3 p.m. daily.
  • Monday, Dec. 17 to Thursday, Dec. 20 - The westbound I-90 HOV lane at East Mercer Street will be closed from 10 a.m. to 2 p.m. daily.

EB Sunset Way I/C to 436th Ave SE I/C Pavement Repair - #9213

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 4.21 - 33.29
ContactAleta Borschowa, Project Engineer, 206-768-5601
Description: WSDOT contractor crews are repairing cracked concrete and replacing select concrete panels on eastbound I-90 between East Sunset Way in Issaquah and 436th Avenue Southeast in North Bend. Crews are also replacing 16 drainage lids and utility covers on Mercer Island.
Project webpage
Work schedule:

  • Sunday, Dec. 16, to the morning of Friday, Dec. 21 - Up to three lanes of eastbound I-90 between East Sunset Way and 468th Avenue Southeast will be closed from 8 p.m. to 6 a.m. nightly.

Floating Bridges Anchor Cable Replacements - #9151

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 4.28 - 5.89
Contact: Dave Lindberg, Project Engineer, 425-225-8725
Description: WSDOT contractor crews are replacing 32 steel anchor cables on the I-90 floating bridges on Lake Washington.
Project webpage
Work schedule:

  • No lane or ramp closures are scheduled.

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 Southeast HOV ramp to westbound I-90 will be closed.
  • Monday, Dec. 17, to the morning of Friday, Dec. 21 - The southbound I-405 HOV ramp to westbound I-90 will be closed from 8 p.m. to 5 a.m. nightly.
  • Monday, Dec. 17, to the morning of Friday, Dec. 21 - The two left lanes of westbound I-90 at I-405 will be closed, starting with the HOV lane at 9 p.m. nightly. All lanes will reopen at 5 a.m.

EB I-90 to SR 18 Active Warning Sign & Camera - #9282

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 23.00 - 25.73
Contact: Aleta Borschowa, Project Engineer, 206-768-5601
Description: WSDOT contractor crews are installing two active warning signs and a traffic camera on eastbound I-90 in Snoqualmie.
Work schedule:

  • Monday, Dec. 17, to the morning of Friday, Dec. 21 - The left lane of eastbound I-90 between the Raging River and SR 18 will be closed from 8 p.m. to 6 a.m. nightly.

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.

Sound Transit's East Link Extension - E360

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, Dec. 17, to the morning of Tuesday, Dec. 18 - The northbound 148th Avenue Northeast on-ramp to eastbound SR 520 will be closed from 10 p.m. to 5 a.m.
  • Monday, Dec. 17, to the morning of Tuesday, Dec. 18 - The eastbound SR 520 off-ramp to northbound 148th Avenue Northeast will be closed from 10 p.m. to 5 a.m.
  • Monday, Dec. 17, to the morning of Tuesday, Dec. 18 - The eastbound SR 520 off-ramp to southbound 148th Avenue Northeast will be closed from 10 p.m. to 5 a.m.

City of Redmond Ramp Split

Highway: SR 520    Region: Northwest    County: King    Location: Milepost(s) 10.00
Contact: John Mork, City of Redmond Project Manager, 425-556-2713
Description: City of Redmond contractor crews are splitting the eastbound SR 520 off-ramps to Northeast 40th/51st Streets.
Project webpage
Work schedule:

  • No lane or ramp closures scheduled.