Night-time closures of portion of 1st Ave NE, NE 100th and NE 103rd Streets

Publish Date

Starting Monday night, Oct. 28th, a portion of 1st Ave NE, NE 100th and NE 103rd Streets will be closed while Sound Transit's contractor installs intersection traffic loops and completes station finishes over the roadway. A traffic loop is a wire cut into the surface of the asphalt that acts similarly to a metal detector and sends real-time information to the traffic light controller.

When and where

Monday, 10/28, 8 p.m. – Tuesday, 10/29, 4:30 a.m. 
  • Closure of NE 100th Street from 1st Ave NE to 3rd Ave NE (see map)
  • Local driveway access will be maintained for businesses along NE 100th Street.
Map of street closures for Monday, Oct. 28.
Monday night, 10/28
Tuesday, 10/29, 8 p.m. – Wednesday, 10/30, 4:30 a.m. 
  • Closure of NE 103rd Street from 1st Ave NE to west of 3rd Ave NE (see map)
  • Closure of 1st Ave NE from NE 100th St to NE 103rd Streets (see map)
    • Hours: 8:30 p.m. – 12:30 a.m.
    • NE 100th and NE 103rd Street intersections on 1st Ave NE will remain open. 
    • Vehicles exiting express lane would need to turn northbound from ramp onto 1st Ave NE.
  • Closure of 1st Ave NE southbound from 103rd to NE 107th Streets (see map)
    • Hours: 12:30 a.m. – 4:30 a.m.
    • Northbound lanes on 1st Ave NE remain open. Southbound lanes will re-open at 4:30 a.m.
Map of street closures for Tuesday, Oct. 29.
Tuesday Night, 10/29
Wednesday, 10/30, 8 p.m. – Thursday, 10/31, 4:30 a.m.
  • Closure of NE 103rd Street from 1st Ave NE to west of 3rd Ave NE (see map)
  • Closure of 1st Ave NE from NE 100th to NE 103rd Streets (see map)
    • Vehicles exiting express lane need to turn northbound from ramp onto 1st Ave NE.
    • Intersections at NE 100th and NE 103rd Streets will remain open.
Map of street closures for Wednesday, Oct. 30.
Wednesday night, 10/30
Thursday, 10/31, 8 p.m. – Friday, 11/1, 4:30 a.m.
  • NE 103rd Street from 1st Ave NE to 3rd Ave NE (see map)
    • 1st Ave NE intersection will remain open. 
    • Vehicles exiting express lanes must turn north or south on 1st Ave NE.
Map of street closures for Thursday, Oct. 31.
Thursday night, 10/31

More

  • Interstate 5 access via express lanes will be maintained. Vehicles exiting express lanes must follow the directions of the flaggers.
  • Access to Northgate Station Garage will be maintained. 
  • Access to Northgate Mall and Northgate Transit Center will be maintained. 
  • A Temporary Noise Variance (TNV) has been issued by the City of Seattle for this work. 

Safety

Drivers please proceed cautiously and follow the directions of the flaggers. Motorcyclists use extreme caution.