Construction alert: Northgate Station

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Construction alert

I-5 night closures in Northgate

Overnight drivers should be aware of upcoming lane and ramp closures on I-5 in Northgate. Sound Transit’s contractor crews will be repositioning and replacing erosion control wattles on the road embankment adjacent to northbound I-5 in Northgate. This work is scheduled to occur on the night of Monday, Dec. 5.


Repositioning and replacing erosion control wattles.


Monday, Dec. 5, 9 p.m. - 5 a.m.


  • I-5 in Northgate.
  • One right lane on northbound I-5 from NE 70th Street to Northeast 85th Street.
  • The northbound I-5 on-ramp from NE 70th Street will be closed.
  • The NE 8th St. (Exit 172) off-ramp via northbound I-5 will also be closed during this work.


  • Please follow the direction of flaggers and signed detours to safely access your destination.
  • Plan ahead, leave early and allow extra time to reach your destination.
  • Due to inclement weather or unforeseen issues, dates and times are subject to change.

Contact us

Community Engagement: or 206-689-4798
After-hours construction hotline: 888-298-2395

More updates

Map of I-5 closures

Map of I-5 closures

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 206-689-4798