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Construction on I-90 & SR 520

Last update: 12:45 p.m. Friday, June 15

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

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: 

  • No lane or ramp closures are 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:

  • Monday, June 18, to Friday, June 22 - The Island Crest Way HOV on-ramp to westbound I-90 will be closed from 9 a.m. to 3 p.m. daily.
  • Monday, June 18, to Friday, June 22 - The eastbound I-90 HOV off-ramp to Island Crest Way will be closed from 9 a.m. to 3 p.m. daily.
  • Tuesday, June 19 - The westbound I-90 HOV off-ramp to 80th Avenue Southeast will be closed from 10 a.m. to 2 p.m.
  • Wednesday, June 20, to the morning of Thursday, June 21 - The right lane of westbound I-90 near East Mercer Way will be closed from 10 p.m. to 2 a.m.
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.
Project webpage
Work schedule:

  • Sunday, June 17, to the morning of Friday, June 22 - Up to three lanes of eastbound I-90 between East Sunset Way/Highlands Drive and 468th Avenue Southeast will be closed from 8 p.m. to 6 a.m. nightly. This work is weather dependent.
  • **HIGH IMPACT** Friday, June 22, to the morning of Saturday, June 23 - Eastbound I-90 traffic will be reduced to two lanes inside the Mount Baker Tunnel from 7 p.m. to noon.
  • **HIGH IMPACT** Friday, June 22, to the morning of Saturday, June 23 -The northbound and southbound Rainier Avenue South on-ramps to eastbound I-90 will be closed from 8 p.m. to 8 a.m.
  • **HIGH IMPACT** Saturday, June 23, to the morning of Sunday, June 24 - Eastbound I-90 traffic will be reduced to two lanes inside the Mount Baker Tunnel from 6 p.m. to noon.
  • **HIGH IMPACT** Saturday, June 23, to the morning of Sunday, June 24 - The northbound and southbound Rainier Avenue South on-ramps to eastbound I-90 will be closed from 7 p.m. to 9 a.m.
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:

  • Monday, April 16, until further notice - The Bellevue Way HOV on-ramp to westbound I-90 will be closed 24/7.
  • Sunday, June 17, to the morning of Friday, June 22 - The HOV lane on westbound I-90 between I-405 and Bellevue Way will be closed from 9 p.m. to 5 a.m. nightly.
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 is replacing 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:

  • Saturday, June 16, to the morning of Sunday, June 17 - The right lane of eastbound SR 520 at 84th Avenue Northeast will be closed from 10 p.m. to 10 a.m.
  • Saturday, June 23, to the morning of Sunday, June  24 - The right lane of eastbound SR 520 at 84th Avenue Northeast will be closed from 10 p.m. to 10 a.m.
Bellevue Paving Work

Highway: SR 520    Region: Northwest    County: King    Location: Milepost(s) 14.85
Contact: Dominick Zimmerman, WSDOT Maintenance, 425-739-3730
Description: WSDOT maintenance crews are paving at the I-405/SR 520 interchange in Bellevue.
Work schedule:

  • **HIGH IMPACT** Monday, June 18, to the morning of Tuesday, June 19 - The westbound SR 520 off-ramp to southbound I-405 will be closed from 10 a.m. to 4 p.m. This work is weather dependent.
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.