Skip Top Navigation

More Closures


Weekly update of construction closures in other counties.


Click here for construction info in your area Snohomish CountyKing CountyWhatcom, Island and Skagit Counties

Get Connected


  • Sign up for email updates to get the latest news on highway projects that affect you.

I-405 - Construction Updates

Last update: 1:16 p.m. Thursday, July 28, 2016

This information changes frequently. Please check back often. Travelers can also call 5-1-1 for real-time traffic and weather updates.

If you have questions or comments about I-405 in Washington state that are not addressed by these resources, please contact the I-405 Project Office at 425-456-8585.

I-405

SB S 320th St to Duwamish River Bridge - Concrete Pavement Rehab - #8816

Highway: I-405    Region: Northwest    County: King    Location: Milepost(s) 0.00
Contact: Mike Askarian, Project Engineer, 206-768-5861
Description: WSDOT contractor crews are rehabilitating southbound I-5 between the Duwamish River Bridge in Tukwila and South 320th Street in Federal Way.
Project website
Work schedule:

  • **HIGH IMPACT**Friday, July 29, to the morning of Monday, Aug. 1 - The southbound I-405 ramp to southbound I-5 will be closed from 9 p.m. Friday to 5 a.m. Monday. A signed detour will be in place. This work is weather dependent.
I-405: Regionwide Safety High Friction Surface - #8876 

Highway: I-405 Region: Northwest County: King Location: Milepost(s) 10.65
Contact: Aleta Borschowa, Project Engineer, 206-768-5601
Description: WSDOT contractor crews are installing a high-friction surface treatment that attaches sand-like aggregate to the roadway to create a grittier road surface that gives tires extra traction in wet weather.
Work schedule:

  • **HIGH IMPACT**Friday, July 29, to the morning of Saturday, July 30 - The southbound I-405 ramp to westbound I-90 will be closed from 9 p.m. to 9 a.m. A signed detour will be in place. This work is weather dependent.
I-405: NE 6th Street to I-5 Widening and Express Toll Lanes - #8204

Highway: I-405 Region: Northwest County: King Location: Milepost(s) 13.68 - 30.30
Contact: Anne Broache, Communications, 425-450-2729
Description: WSDOT contractor crews are building an express toll lane system from downtown Bellevue to Lynnwood.
Project website

The Washington State Department of Transportation is a public agency and is subject to the State of Washington's Public Records Act (RCW 42.56). Therefore, public comments and questions may be made available to anyone requesting them for non-commercial purposes.

BLT map

Work schedule:

RAMP CLOSURES

Bellevue area

  • No ramp closures are scheduled.

Kirkland area

  • Thursday, July 28, to the morning of Friday, July 29 - The southbound I-405 off-ramp to Northeast 85th Street will be closed from 9 p.m. to 6 a.m. A signed detour will be in place.

Bothell/Lynnwood area

  • No ramp closures are scheduled.

LANE CLOSURES

Bellevue area

  • Thursday, July 28, to the morning of Friday, July 29 - One left lane of northbound I-405 between Northeast 8th Street and SR 520 will be closed from 8 p.m. to 5 a.m.

Kirkland area

  • Thursday, July 28, to the morning of Friday, July 29 - One right lane of southbound I-405 between Northeast 85th Street and Northeast 70th Place will be closed from 8 p.m. to 4:30 a.m. 
  • Thursday, July 28, to the morning of Friday, July 29 - One right lane of southbound I-405 between Northeast 124th Street and Northeast 85th Street will be closed from 7 p.m. to 4:30 a.m.

Bothell/Lynnwood area

  • No lane closures are scheduled.