Southbound I-405 reduced to one lane in Kirkland overnight this week

Nighttime drivers on southbound Interstate 405 near downtown Kirkland should plan ahead for possible delays through the weekend. Contractor crews working for the Washington State Department of Transportation will reduce the roadway to a single lane and close some nearby ramps to complete electrical, paving and restriping work for a traffic shift as part of the I-405 Bellevue to Lynnwood Widening and Express Toll Lanes project.

The following is a release from the Washington State Department of Transportation:

Nighttime drivers on southbound Interstate 405 near downtown Kirkland should plan ahead for possible delays through the weekend. Contractor crews working for the Washington State Department of Transportation will reduce the roadway to a single lane and close some nearby ramps to complete electrical, paving and restriping work for a traffic shift as part of the I-405 Bellevue to Lynnwood Widening and Express Toll Lanes project.

Monday, July 28 to the morning of Friday, August 1

  • Up to three lanes of southbound I-405 between Northeast 85th Street and Northeast 70th Street will close starting at 7 p.m.nightly. Two lanes will close at 8 p.m., and three lanes will close at 10:30 p.m. One lane will open by 4:30 a.m. and all lanes by 5 a.m.each day.
  • The southbound I-405 off-ramp to Northeast 70th Street will close from 9 p.m. to 6 a.m. nightly.
  • The Northeast 70th Street on-ramp to southbound I-405 will close from 8 p.m. to 6 a.m. nightly.
  • The Northeast 85th Street on-ramp to southbound I-405 will close from 10 p.m. to 6 a.m. nightly.

Friday, August 1 to the morning of Sunday, August 3

  • Up to three lanes of southbound I-405 between Northeast 85th Street and Northeast 70th Street will close starting at 7 p.m.nightly. Two lanes will close at 10 p.m., and three lanes will close at 11:30 p.m. All lanes will reopen by 7 a.m. the following day.
  • The southbound I-405 off-ramp to Northeast 70th Street will close from 9 p.m. to 6 a.m. nightly.
  • The Northeast 85th Street on-ramp to southbound I-405 will close from 10 p.m. to 6 a.m. nightly.

Signed detours will direct traffic to alternate routes. This work is weather dependent and subject to change.

The work has been coordinated and will not interfere with daytime Seafair traffic.

For the most up-to-date closure details, please visit the I-405 construction updates page.