WSDOT Travel Advisory: Overnight eastbound I-90 tunnel closure planned Friday, Nov. 6 in Seattle for maintenance

Washington State Department of Transportation

Northwest Region – 15700 Dayton Avenue N – Shoreline, WA 98133 – 206-440-4000

TRAVEL ADVISORY
Nov. 3, 2026

Contact:          Lauren Padgett, communications, 425-563-8207 (mobile)

Overnight eastbound I-90 tunnel closure planned Friday, Nov. 6 in Seattle for maintenance

SEATTLE – People traveling between Seattle and Mercer Island should plan for all eastbound Interstate 90 lanes and on-ramps to close overnight Friday, Nov. 6.

What to expect

The following closures are planned from 10 p.m. Friday, Nov. 6 to 6 a.m. Saturday, Nov. 7:

  •  All lanes of eastbound I-90 from Rainier Avenue South (milepost 3) to 77th Avenue Southeast (milepost 6).
  • The eastbound I-90 on-ramps from northbound and southbound I-5. 
  • The eastbound I-90 on-ramps from northbound and southbound Rainier Avenue South.

Washington State Department of Transportation tunnel maintenance crews will perform fire systems testing, light repairs, road sweeping and drain cleaning during this closure.

Real-time travel information is available via the WSDOT mobile app, the WSDOT travel map or by signing up for WSDOT's email updates.

Hyperlinks within the release:

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WSDOT keeps people, businesses and the economy moving by operating and improving the state's transportation systems. To learn more about what we're doing, go to www.wsdot.wa.gov/news for pictures, videos, news and blogs. Real-time traffic information is available at wsdot.com/traffic.