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Construction on I-90 & SR 520

Last update: 3:43 p.m. Friday, Aug. 26, 2016
 
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
Contact: Justin Fujioka, Communications, 206-440-4473
Description: WSDOT uses the I-90 express lanes to assist the flow of traffic during busy travel times. These lanes are scheduled to move in the direction that will relieve the most congestion from the transportation system.
Express lanes schedule
Work schedule:

  • No changes are scheduled.
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 website
Work schedule:

  • Monday, Aug. 29, to the morning of Tuesday, Aug. 30 - The West Mercer Way on-ramp to eastbound I-90 will be closed from 9 p.m. to 5 a.m. A signed detour will be in place.
  • Monday, Aug. 29, to the morning of Friday, Sept. 2 - Two right lanes of westbound I-90 in the Mercer Island Lid tunnel will be closed from 9 p.m. to 5 a.m. nightly.
  • Monday, Aug. 29, to the morning of Friday, Sept. 2 - The 76th Avenue Southeast/North Mercer Way on-ramp to westbound I-90 will be closed from 9 p.m. to 5 a.m. nightly. A signed detour will be in place.
  • Tuesday, Aug. 30, to the morning of Wednesday, Aug. 31 - Three right lanes of eastbound I-90 at East Mercer Way will be closed from 9 p.m. to 5 a.m.
  • Wednesday, Aug. 31, to the morning of Thursday, Sept. 1 - The westbound I-90 off-ramp to Bellevue Way Southeast will be closed from 9 p.m. to 5 a.m. A signed detour will be in place.
  • Thursday, Sept. 1, to the morning of Friday, Sept. 2 - The westbound I-90 off-ramp to Island Crest Way will be closed from 9 p.m. to 5 a.m. A signed detour will be in place.
Mercer Island Survey Work

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 18.08
Contact: Justin Fujioka, Communications, 206-440-4473
Description: WSDOT and Sound Transit contractor crews are surveying various locations of I-90 in Mercer Island.
Work schedule:

  • Wednesday, Sept. 7, to the morning of Thursday, Sept. 8 - The left lane of eastbound I-90 at Shorewood Drive will be closed for about 15 minutes between 8 p.m. and 5 a.m.
  • Wednesday, Sept. 7, to the morning of Thursday, Sept. 8 - The left lane of westbound I-90 at Island Crest Way will be closed for about 15 minutes between 8 p.m. and 5 a.m.
  • Wednesday, Sept. 7, to the morning of Thursday, Sept. 8 - The left lane of westbound I-90 at 76th Avenue Southeast will be closed for about 15 minutes between 8 p.m. and 5 a.m.
Regionwide Safety High Friction Surface - #8876

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 9.72 - 9.89
Contact: Aleta Borschowa, Project Engineer, 206-768-5601
Description: WSDOT contractor crews are installing a high-friction surface treatment that attaches sand-like aggregate to the roadway to create a grittier road surface that gives tires extra traction in wet weather.
Work schedule:

  • **HIGH IMPACT** Monday, Aug. 29 to the morning of Tuesday, Aug. 30 - The southbound I-405 off-ramp to westbound I-90 will be closed from 11 p.m. to 5 a.m. A signed detour will be in place.
Issaquah Catch Basin Repair Maintenance

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 15.27
Contact: Nicole Daniels, Communications, 206-440-4479
Description: WSDOT maintenance crews are repairing the catch basin on the eastbound I-90 off-ramp to East Sunset Way/Highlands Drive Northeast in Issaquah.
Work schedule:

  • Monday, Aug. 29, to the morning of Tuesday, Aug. 30 - The eastbound I-90 off-ramp to East Sunset Way/Highlands Drive Northeast will be closed from 10 p.m. to 4:30 a.m. A signed detour will be in place.
Boeing Classic

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 25.65
Contact: Nicole Daniels, Communications, 206-440-4479
Description: Washington State Patrol officers will be controlling traffic for the Boeing Classic at the intersections where the eastbound and westbound I-90 off- and on-ramps meet SR 18.
Work schedule:

  • Friday, Aug. 26 - Washington State Patrol officers will control traffic at the eastbound and westbound I-90 off- and on-ramps at SR 18 from 11 a.m. to 7 p.m. All signals at the intersection will be flashing red during flagging operations.
  • Saturday, Aug. 27, to Sunday, Aug. 28 - Washington State Patrol officers will control traffic at the eastbound and westbound I-90 off- and on-ramps at SR 18 from 7 a.m. to 7 p.m. daily. All signals at the intersection will be flashing red during flagging operations.
SR 202 I/C to S Fork Snoqualmie River Paving - #8819

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 30.52 - 31.66
Contact: Mark Sawyer, Project Engineer, 425-225-8799
Description: WSDOT contractor crews are repaving both directions of I-90 from South Fork Snoqualmie River to SR 202 near North Bend, installing five new concrete panels and replacing existing rumble strips.
Project website
Work schedule:

  • No lane or ramp closures are scheduled.
Preston Bridge Deck Repair Work

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 23.30 – 24.50
Contact: Nicole Daniels, Communications, 206-440-4479
Description: WSDOT maintenance crews are repairing the bridge deck on westbound I-90 near Preston.
Work schedule:

  • Thursday, Sept. 1, to the morning of Friday, Sept. 2 - Up to two lanes of westbound I-90 from SR 18/Snoqualmie Parkway to the Preston/Fall City off-ramp will be closed beginning with one lane at 6 p.m. All lanes will reopen by 6 a.m. 
 

SR 520

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 website
Work Schedule:

  • No lane or ramp closures are scheduled.
SR 520: 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 website
Work schedule:

  • Monday, Aug. 29, to the morning of Friday, Sept. 2 - Up to two right lanes of eastbound SR 520 on the floating bridge will be closed nightly beginning with the right lane at 9 p.m. All lanes will reopen by 5 a.m.
City of Kirkland Work

Highway: SR 520    Region: Northwest    County: King    Location: Milepost(s) 5.60
Contact: Justin Fujioka, Communications, 206-440-4473
Description: City of Kirkland contractor crews are replacing a culvert under Lake Washington Boulevard Northeast at Cochran Springs Creek.
Project website
Work schedule:

  • Friday, Aug. 26, to Monday, Aug. 29 - The left lane of the eastbound SR 520 off-ramp to Lake Washington Boulevard Northeast/Bellevue Way Northeast will be closed from 9 a.m. Friday to 11:59 p.m. Monday.