Monster weekend: Closures on SR 520, northbound I-405, southbound SR 167, and I-5 Sept. 27-30

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WSDOT is planning the set of biggest closures of the year to make progress on key transportation projects in the metro area

SEATTLE – Drivers traveling across Lake Washington on State Route 520, through the Interstate 405/SR 167 corridors, and on I-5 in Seattle and between Federal Way and Tacoma should prepare for major closures beginning late Friday, Sept. 27 to early Monday, Sept. 30.

Together these closures form a “monster” traveler challenge – the biggest weekend of Washington State Department of Transportation construction closures for the region this year. Knowing the location of each closure is important for drivers to prepare in advance and make alternate plans to get around the region.

SR 520 closure

The SR 520 closure stretches from I-5 in Seattle to 92nd Avenue Northeast in Clyde Hill on the Eastside and include all of the associated on- and off-ramps. The SR 520 Trail will also close for bicyclists and pedestrians across the lake. The highway and trail will close at 11 p.m. Friday and reopen at 5 a.m. Monday. Part of the SR 520 Montlake Project, crews will work on lighting and the fire suppression system under the new Montlake lid over SR 520.

Northbound I-405 closure

Northbound I-405 in Renton will be closed from Sunset Boulevard Northeast/Southport Drive (Exit 5) to Coal Creek Parkway Southeast from 11 p.m. Friday to 4 a.m. Monday. The following ramps will also be closed:

Sunset Boulevard Northeast on-ramp (Exit 5).
Northeast 30th Street on- and off-ramps (Exit 6).
Northeast 44th Street on- and off-ramps (Exit 7).
Lake Washington Boulevard Southeast on- and off-ramps (Exit 8).
Coal Creek Parkway off-ramp (Exit 10).

-more-

https://wsdot.wa.gov/about/news/2024/monster-weekend-closures-sr-520-northbound-i-405-southbound-sr-167-and-i-5-sept-27-30