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Construction on I-90 & SR 520

Last update: 12:15 p.m. Friday, Nov. 17

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: 

  • Monday, Nov. 27, to the morning of Tuesday, Nov. 28 - Two right lanes of eastbound I-90 inside the Mount Baker Tunnel will be closed from 9 p.m. to 5 a.m.
  • Monday, Nov. 27, to the morning of Tuesday, Nov. 28 - The northbound Rainier Avenue on-ramp to eastbound I-90 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:

  • Saturday, Nov. 18 - The westbound I-90 HOV off-ramp to 80th Avenue will be closed from 7 a.m. to 2 p.m.
  • Saturday, Nov. 18 - The HOV lane of westbound I-90 at 80th Avenue will be closed from 7 a.m. to 2 p.m.
  • Monday, Nov. 20, to Tuesday, Nov. 21 - The eastbound I-90 HOV off-ramp to Island Crest Way will be closed from 9 a.m. to 3 p.m. daily.
  • Tuesday, Nov. 28, to Friday, Dec. 1 - The eastbound I-90 HOV off-ramp to Island Crest Way will be closed from 9 a.m. to 3 p.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:

  • **HIGH IMPACT** Saturday, Nov. 18, to Sunday, Nov. 19 - The I-90 on- and off-ramps at Bellevue Way will be closed from 5:30 a.m. Saturday to 9 p.m. Sunday.
  • Monday, Nov. 20, to Tuesday, Nov. 21 - 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.
  • Tuesday, Nov. 21, to Wednesday, Nov. 22 - The Bellevue Way HOV on-ramp to westbound I-90 will be closed from 8 p.m. to noon.
  • Monday, Nov. 27, to Friday, Dec. 1 - 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.
Seattle Marathon/Half Marathon

Highway: SR 520    Region: Northwest    County: King    Location: Milepost(s) 0.29
Contact: Nicole Daniels, Communications, 206-440-4479
Description: Crews will close lanes and ramps for the Seattle Marathon.
Closure schedule:

  • Sunday, Nov. 26 - The westbound SR 520 off-ramp to Roanoke Street will be closed from 7 a.m. to 3 p.m.
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, Nov. 27, to the morning of Friday, Dec. 1 - A single lane of westbound SR 520 between the floating bridge and Montlake Boulevard will be closed from 11 p.m. to 5 a.m. nightly.
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:

  • No lane or ramp closures are scheduled.