Western WA drivers brace for massive traffic congestion over July 17-20 weekend

Published July 14, 2026 12:16 PM PDT

Western Washington drivers are bracing for more traffic woes with the resumption of Revive I-5, following a pause for the FIFA World Cup tournament matches in Seattle. 

Several major traffic routes, including Interstate 5, State Route 520, I-90 and SR 99 will be impacted by another round of road work and lane closures this weekend. 

WSDOT officials speak on incoming road closures

What they're saying:

"The work will reduce capacity, leading to longer, less predictable travel times across the eastside and Seattle. Closures on these major routes are necessary to keep projects on schedule following a temporary pause in major construction during world championship soccer matches in Seattle."

highway traffic next to a construction project

Cars drive past construction workers along interstate highway. (ANDREW CABALLERO-REYNOLDS/AFP via Getty Images)

Traffic backups anticipated in Western WA from July 17–20

  • "Increased congestion on westbound I-90 in Issaquah and I-90 bridge heading eastbound."
  • "Constrained travel in Seattle with work happening on both I-5 and SR 99."
  • "Increased congestion in Seattle’s Montlake neighborhood."

Eastbound I-90 

July 17–18: There will be an overnight closure from 11:30 p.m. until 7:30 a.m. on July 18. This will be for scheduled maintenance. 

Westbound I-90

July 17–19: Closure begins at 8 p.m. on July 17 for paving, and will continue until 2 p.m. on July 19. 

SR99 North

"Northbound SR 99 will be reduced to two lanes compared to the normal four on the First Avenue South Bridge from 5:30 a.m. to 2 p.m. on Saturday, July 18 and Sunday, July 19 for bridge and structure preservation," read a portion of the WSDOT project page on their website. 

Montlake Blvd. and SR-520 ramp closures

July 17–20: Montlake will be closed in both directions from 10 p.m. Friday until 6 a.m. on Monday, July 20. This will be for a closure on the boulevard between East Hamlin Street and East Louisa Street. 

According to WSDOT, these additional ramp closures will be in effect:

  • The Montlake Boulevard on-ramps to eastbound and westbound SR 520.
  • The eastbound SR 520 off-ramp to Montlake Boulevard.
  • A 300-foot-long section of East Roanoke Street west of Montlake Boulevard.
  • Lake Washington Boulevard between Montlake Boulevard and 24th Avenue East.

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The Source: Information in this story came from the Washington State Department of Transportation.

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