Construction alert: Northgate Link Extension 3/16/2017

Mar 16, 2017

Geotechnical investigation along 12th Avenue NE

Now that tunnel cross passage excavation in the area is complete, beginning as early as Tuesday, March 28, Sound Transit's contractor will conduct additional ground boring tests to confirm the ground conditions above the completed tunnels. This work is part of Sound Transit's due diligence after the completion of tunneling and will happen in two phases:

Geotechnical investigation on 12th Avenue Northeast map

Phase 1

  • Lane closure on 12th Avenue Northeast between Northeast Ravenna Boulevard and Northeast 62nd Street. Northbound traffic will be maintained.
  • Temporary sidewalk closures in the immediate area.
  • Metro bus stop will be temporarily relocated (see map).
  • Expect noise from drilling and construction equipment.
  • Expect traffic delays. Flaggers will be present.
  • Work hours: 7 a.m. to 5:30 p.m.

Phase 2

  • Westbound lane closure on Northeast 64th Street between 12th Avenue Northeast and Roosevelt Way Northeast.
  • Expect noise from drilling and construction equipment.
  • Expect traffic delays. Flaggers will be present.
  • Work hours: 7 a.m. to 5:30 p.m.

Thank you for your continued patience while this work is underway.