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Night work to affect I-5 overnight traffic

SEATTLE –  Seattle City Light crews will be relocating an overhead transmission line on I-5 at Northeast 195th Street in Shoreline as part of Sound Transit’s Lynnwood Link Extension project. The reliability work will result in nightly traffic impacts on Aug. 3-4. 

To complete this work safely, Washington State Patrol troopers and construction crews must intermittently conduct rolling slowdowns of traffic in both directions of I-5 to ensure safe work operations and passage for motorists. Traffic will be intercepted and escorted at slow speeds up to 15 minutes between Lynnwood and Seattle as crews pull overhead feeder cables across the freeway. Traffic will return to normal speeds once vehicles pass the work area.  See the attached map for more details.

lynnwood traffic

What to expect during this closure:

Rolling slowdowns will occur from 1 a.m. to 4 a.m. on Tuesday, Aug. 3 and Wednesday, Aug. 4.

Construction will impact traffic for vehicles entering I-5 through the following on-ramps:

  • Southbound I-5: I-405, 196th Street Southwest, 44th Avenue West (Lynnwood), 220th Street Southwest (Mountlake Terrace), State Route 104 (Shoreline)
  • Northbound I-5: Northeast 175th Street, 5th Avenue Northeast (Shoreline), Northeast Northgate Way, Northeast 80th Street (Seattle)

Drivers should expect delays and plan to use alternate routes during construction. Real-time traffic information is available on the WSDOT mobile app and the WSDOT Traffic Twitter feed

For more information on Sound Transit’s Lynnwood Link Extension project, please visit more about City Light’s construction projects by visiting

Seattle City Light, one of the nation’s largest publicly owned utilities, generates and delivers affordable, reliable and environmentally responsible power to the homes, businesses, and communities we serve. We provide carbon-neutral electricity, generated primarily from carbon-free hydropower, to over 900,000 residents in Seattle and the surrounding areas.

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