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Construction on I-90 & SR 520

Last update: 12:30 p.m. Friday, Jan. 12

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

| I-90 | SR 520 |

I-90

Express Lanes Schedule Changes

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 1.99 8.90

  • The I-90 express lanes are permanently closed to allow construction of Sound Transit's East Link light rail extension from Seattle to Redmond.
Two-Way Transit and HOV Operations (Stage 3) - #8662 

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 2.48 9.28
Contact: Aleta Borschowa, Project Engineer, 206-768-5601
Description: WSDOT and Sound Transit contractor crews are adding HOV lanes to both directions of I-90 between Seattle and Bellevue and preparing the center roadway for East Link light rail.
Project webpage
Work schedule: 

  • Wednesday, Jan. 17, to the morning of Thursday, Jan. 18 – The Rainier Avenue on-ramp to eastbound I-90 will be closed from 11 p.m. to 5 a.m.
  • Wednesday, Jan. 17, to the morning of Thursday, Jan. 18 – The three right lanes of eastbound I-90 between Rainier Avenue and the floating bridge will be closed from 11 p.m. to 5 a.m.
  • Thursday, Jan. 18, to the morning of Friday, Jan. 19 – The right lane of westbound I-90 inside the Mount Baker Tunnel will be closed from 9 p.m. to 5 a.m.
  • Thursday, Jan. 18, to the morning of Friday, Jan. 19 – The right lane of eastbound I-90 inside the Mercer Island Lid Tunnel will be closed from 9 p.m. to 5 a.m.
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:

  • Tuesday, Jan. 16, to Saturday, Jan. 20 - The eastbound I-90 HOV off-ramp to Island Crest Way will be closed from 9 a.m. to 3 p.m. daily.
  • Saturday, Jan. 20 - The Island Crest Way HOV on-ramp to westbound I-90 will be closed from 9 a.m. to 3 p.m.
  • Saturday, Jan. 20 - The right lane of westbound I-90 near Island Crest Way will be closed from 9 a.m. to 3 p.m.
  • Saturday, Jan. 20  - The eastbound I-90 off-ramp to Island Crest Way will be closed from 9 a.m. to 3 p.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:

  • Tuesday, Jan. 16, to Friday, Jan. 19 - The Bellevue Way HOV on-ramp to westbound I-90 will be closed from 8 p.m. to 3 p.m. daily. The ramp will remain open between the hours of 3 p.m. and 8 p.m.
  • Wednesday, Jan. 17, to the morning of Friday, Jan. 19 - The Bellevue Way HOV on-ramp to eastbound I-90 will be closed from 10 p.m. to 5 a.m. nightly.
  • **HIGH IMPACT** Saturday, Jan. 20, to Sunday, Jan. 21 - The eastbound and westbound I-90 off-ramps to Bellevue Way will be closed from 7 a.m. Saturday to 9 p.m. Sunday.
  • Monday, Jan. 22, to Friday, Jan. 26 - The Bellevue Way HOV on-ramp to westbound I-90 will be closed from 8 p.m. to 3 p.m. daily. The ramp will remain open between the hours of 3 p.m. and 8 p.m.
N Fork Issaquah Creek Fish Passage - #9040

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 17.05 - 17.18
Contact: Dave Lindberg, Project Engineer, 425-225-8725
Description: WSDOT contractor crews are realigning North Fork Issaquah Creek near East Lake Sammamish Parkway.
Project webpage
Work schedule:

  • No lane or ramp closures are scheduled.
West Approach Bridge North - #8625

Highway: SR 520    Region: Northwest    County: King    Location: Milepost(s) 0.88 – 3.04
Contact: Steve Strand, Project Engineer, 206-770-3565
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.
Project webpage
Work schedule:

  • No lane or ramp closures are scheduled.
Evergreen Point Floating Bridge and Landings Project - #8066

Highway: SR 520    Region: Northwest    County: King    Location: Milepost(s) 3.83 – 4.59
Contact: Steve Peer, Communications, 206-770-3531
Description: The SR 520 Floating Bridge and Landings project will replace the old SR 520 floating bridge and approaches from the future west approach structure east of Foster Island in Seattle to Evergreen Point Road in Medina.
Project webpage
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:

  • Wednesday, Jan. 17, to the morning of Friday, Jan. 19 - The eastbound SR 520 off-ramp to northbound 148th Avenue will be closed from 10 p.m. to 5 a.m. nightly.