TRAFFIC ALERT: Utility work on 509, 99 early Friday

If you’re planning to travel south of West Seattle early Friday, be aware of this alert from Seattle City Light:

Seattle City Light crews will be replacing overhead fiberoptic cables over State Route (SR) 99 and 509. The reliability work will result in traffic impacts on Aug. 27.

To complete this work safely, Washington State Patrol troopers and construction crews must intermittently conduct rolling slowdowns of traffic in both directions of SR 99 and 509 to ensure safe work operations and passage for motorists. Traffic will be intercepted and escorted at slow speeds up to 15 minutes as crews pull overhead cables across the freeways. Traffic will return to normal speeds once vehicles pass the work area.

Rolling slowdowns will occur from 12:01 a.m. to 4 a.m. on Friday, August 27. Construction will impact vehicle traffic on SR 99 and 509 in the following areas:

State Route 99

Northbound: South 116th Way/Tukwila International Boulevard to South 96th Street
Southbound: South Kenyon Street to South 100th Street

State Route 509

Northbound: South 96th Street to South 128th Street
Southbound: South Kenyon Street to South 106th Street

Side note: This is similar to the work that went awry in the early morning hours of August 18th, leading to a major power outage and highway closure.

1 Reply to "TRAFFIC ALERT: Utility work on 509, 99 early Friday"

  • sam-c August 25, 2021 (2:52 pm)

    Hopefully the power will stay on this time!Thank you City Light for the upgrades/ improvements

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