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Construction on I-90 & SR 520

Last update: 1:25 p.m. Thursday, July 13

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: 

  • Until Further Notice – Flammable cargo is prohibited from traveling in both directions of I-90 inside the Mount Baker and Mercer Island Lid tunnels until further notice.
  • Monday, July 10, to the morning of Friday, July 14 - The outside lanes in either direction of I-90 between I-5 and I-405 may be closed from 10 p.m. to 5 a.m. nightly.
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 12, to the morning of Friday, July 14 - The HOV lane of westbound I-90 between East Mercer Way and I-5 will be closed from 8 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:

  • Monday, July 10, to Friday, July 14 - The Bellevue Way HOV on-ramp to westbound I-90 will be closed from 6 a.m. to 3 p.m. daily.
  • **HIGH IMPACT** Saturday, July 15, to Sunday, July 16 - The Bellevue Way on and off-ramps at I-90 will be closed from 5:30 a.m. Saturday to 9 p.m. Sunday.
  • Monday, July 17, to Wednesday, July 19 - The Bellevue Way HOV on-ramp to westbound I-90 will be closed from 6 a.m. to 3 p.m. daily.
  • Thursday, July 20, to Friday, July 28 - The Bellevue Way HOV on-ramp to westbound I-90 will be closed from 7 a.m. Thursday to 3 p.m. the following Friday.
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:

  • Monday, July 10, to the morning of Friday, July 14 - Two right lanes of westbound SR 520 on the floating bridge will be closed from 9 p.m. to 6 a.m. nightly.
  • **HIGH IMPACT** Friday, July 14 - The westbound SR 520 off-ramp to Montlake Boulevard will be closed from 8:30 to 11 p.m.
  • **HIGH IMPACT** Friday, July 14, to the morning of Monday, July 17 - All lanes of westbound SR 520 between 92nd Avenue Northeast and Montlake Boulevard will be closed from 11 p.m. Friday to 5 a.m. Monday.
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:

  • Tuesday, July 11, to the morning of Thursday, July 13 - The eastbound SR 520 off-ramp to 148th Avenue Northeast will be closed from 10 p.m. to 5 a.m. nightly.