Light rail-related rolling slowdowns planned on I-5 Aug. 27-29

Seattle City Light crews plan to relocate existing overhead power lines over Interstate 5 near Northeast 180th Street to support Sound Transit’s Lynnwood Link Extension project. This work will result in traffic impacts on Aug. 27-29.

To complete this work safely, Washington State Patrol troopers and contracted 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 for up to 15 minutes between Lynnwood and north Seattle as crews pull overhead feeder cables across the highway. Traffic will return to normal speeds once past the work area. See the map for more details. 

Rolling slowdowns will occur on the following dates:

  • Tuesday night (11:59 p.m.), Aug. 27 to Wednesday morning (4 a.m.), Aug. 28
  • Wednesday night (11:59 p.m.), Aug. 28 to Thursday morning (4 a.m.), Aug. 29

Additional Details:

Traffic using the following on-ramps to I-5 will be affected:

  • On southbound I-5: 44th Avenue West (Lynnwood), 220th Street Southwest (Mountlake Terrace), State Route 104 (Shoreline/Edmonds)
  • On northbound I-5: Northeast 175th Street, 5th Avenue Northeast (Shoreline), Northeast Northgate Way (Seattle)

Drivers should expect delays and consider using 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, which will extend light rail into South Snohomish County and serve stations in Shoreline, Mountlake Terrace and Lynnwood,  visit www.soundtransit.org/system-expansion/lynnwood-link-extension or seattle.gov/light/atwork.

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