Construction alert: Lynnwood Link Extension

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Construction alert

Construction map for 1st Avenue Northeast and Northeast Northgate way intersection closure, Lynnwood Link Extension

Night closures at 1st Ave NE and Northgate Way Intersection and ramps

As early as September 7th, Sound Transit will be closing 1st Avenue Northeast and Northgate Way intersection, as well as the Interstate-5 northbound on-ramp at Northgate Way. The nighttime closure will be utilized for guideway construction for the Lynnwood Link Extension link light rail project.


  • Work consists of heavy equipment and residents can expect noise from construction.


  • Tuesday night, Sept. 7th to Thursday night, Sept. 9th.
  • Night construction work hours are from 11:00p.m. to 5:00a.m.


  • 1st Ave and Northgate Way intersection.
  • Access will be maintained for local residents.
  • See map for suggested detour routes and construction impact area.

Contact us

Community Engagement: or 206-398-5300
After-hours construction hotline: 888-298-2395

More updates

Your safety is our priority

Learn how to stay safe around our construction sites.

Stay safe

24-hour construction hotline: 888-298-2395

More project info:
Get in touch: or 206-398-5300