1st Avenue Northeast street closure and upcoming night work

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Starting as early as Tuesday, Jan. 16th, Sound Transit's contractor will be conducting stormwater work and work to create a platform across 1st Avenue Northeast between Northeast 100th Street and Northeast 92nd Street (see map).

Access to homes, businesses, Northgate Mall, Northgate Transit Center and the Hampton Inn and Suites will be maintained.

Map of road closures and detours in Northgate.

What to expect:

Tuesday Jan. 16th – Jan. 29th

  • Work activities: Digging trenches and installing trench boxes, manholes and piping on west side of 1st Avenue Northeast for new stormwater main.
  • Work hours: 7:30 a.m. – 4 p.m.
  • Traffic impacts: One lane closure southbound along 1st Avenue Northeast between Northeast 100th Street and Northeast 92nd Street.
  • Construction equipment: excavators, front end loaders and dump trucks.

If heavy traffic is experienced along 1st Avenue Northeast during the daytime, a switch to working night hours could occur.

Monday, Jan. 22nd – Jan. 29th

  • Work activities: Stormwater work continues
  • Work hours: 7 p.m. – 5:30 a.m.
  • Traffic impacts: 1st Avenue Northeast will be closed to through traffic between Northeast 100th Street and Northeast 92nd Street (see map).

Monday, Jan. 29th – Friday, Feb. 9th

  • Work activities: Installing steel beams and wood decking to create a platform that will span across two columns along 1st Avenue Northeast.
  • Work hours: 9 p.m. – 5:30 a.m.
  • Traffic impacts: 1st Avenue Northeast will be closed to through traffic between Northeast 100th Street and Northeast 92nd Street (see map).
  • Construction equipment: cranes, light plants, forklifts and generators.