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Construction on I-90 & SR 520

Last update: 9:49 p.m. Sunday, March 29, 2015

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

See closures for SR 520.

Last update: 12:35 p.m. 3/25
I-90 Express Lanes Schedule Changes
Get the regular express lanes schedule

  • Friday, March 27 to the morning of Monday, March 30 - The I-90 express lanes will be westbound starting at 9 p.m. and remain westbound into normal Monday schedule due to a full weekend closure of the mainline of westbound I-90.

Last update: 9:49 p.m. 3/29
I-90: Two-Way Transit and HOV Operations - Stage 3 #8662
Mileposts: 0.00 - 7.13
Aleta Borschowa, WSDOT Project Engineer, 206-768-5862
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  • **COMPLETED** Friday, March 27 to the morning of Monday, March 30 - All westbound I-90 traffic will be detoured to the express lanes between Bellevue Way Southeast and Rainier Avenue South from 11 p.m. Friday to 5 a.m. Monday for construction. Drivers heading to Mercer Island must take the East Mercer Way exit.

Last update: 3:25 p.m. 3/27
I-90: Two-Way Transit and HOV Operations - Stage 3A #8569
Mileposts: 9.00 - 9.72
Aleta Borschowa, WSDOT Project Engineer, 206-768-5862
Get project information

  • Wednesday, March 4 to late April - The eastbound I-90 HOV off-ramp to I-405 is closed around the clock for eight weeks for construction.
  • Monday, March 30 to the morning of Wednesday, April 1 - The right lane of eastbound I-90 at Bellevue Way Southeast will be closed from 9 p.m. to 5 a.m. for electrical work.
  • Monday, March 30 to the morning of Wednesday, April 1 - The eastbound I-90 off-ramp to Bellevue Way Southeast will be closed from 9 p.m. to 5 a.m. for electrical work.

SR 520

Last update: 3:25 p.m. 3/27
SR 520: I-5 to Medina Bridge Replacement and HOV Project
Mileposts: 0.00 - 4.08
Dave Edwards, WSDOT Project Engineer, 206-770-3522
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  • Monday, March 30 to Friday, April 3 - No closures are scheduled this week.

Last update: 3:25 p.m. 3/27
SR 520: West Approach Bridge North - #8625
Mileposts: 0.88 - 3.04
Steve Strand, WSDOT Project Engineer, 206-770-3565
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  • Monday, March 30 to the morning of Tuesday, March 31 - The right lane of eastbound SR 520 at Montlake Boulevard East/SR 513 will be closed from 9 p.m. to 6 a.m. nightly for electrical work.
  • Monday, March 30 to the morning of Friday, April 3 - One lane of the Montlake Boulevard East/SR 513 on-ramp to eastbound SR 520 will be closed from 8 p.m. to 6 a.m. nightly for electrical work.

Last update: 4:40 p.m., 3/27
SR 520: Monthly Floating Bridge Maintenance Testing
Milepost: 3.00
Tim Ditch, WSDOT bridge supervisor, 425-739-3700

  • Thursday, April 9 - Both directions of SR 520 at the Evergreen Point Floating Bridge will temporarily close for up to 30 minutes at a time from 2:30 to 5 a.m. for monthly bridge maintenance testing.