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I-405 - Construction Updates

Last update: 1:03 p.m. Thursday, June 30, 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

Last update: 1:03 p.m. 6/30
I-405: NE 6th Street to I-5 Widening and Express Toll Lanes - #8204
Mileposts: 13.68 - 30.30
Amy Danberg, WSDOT Communications, 425-456-8566

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.

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Ramp Closures:

Bellevue area

  • No ramp closures are scheduled.

Kirkland area

  • No ramp closures are scheduled.

Bothell/Lynnwood area  

  • Thursday, June 30, to the morning of Friday, July 1 - The northbound I-405 ramp to SR 522 will be closed from 9 p.m. to 6 a.m. A signed detour will be in place.
  • Thursday, June 30, to the morning of Friday, July 1 - The Northeast 160th Street on-ramp to SR 522 will be closed from 9 p.m. to 6 a.m. A signed detour will be in place.
  • Thursday, June 30, to the morning of Friday, July 1 - The southbound I-405 ramp to eastbound SR 522 will be closed from 11 p.m. to 5 a.m. A signed detour will be in place.

Lane Closures: 

Bellevue area

  • No lane closures are scheduled.

Kirkland area

  • No lane closures are scheduled.

Bothell/Lynnwood area   

  • No lane closures are scheduled.

Last update: 12:55 p.m. 6/23
I-405: Bothell Pavement Repair Work
Milepost: 23.25 - 24.70
Justin Fujioka, WSDOT Communications, 206-440-4473

  • Wednesday, June 29, to the morning of Thursday, June 30 - The southbound I-405 ramp to eastbound SR 522 will be closed from 10 p.m. to 5 a.m. A signed detour will be in place. This work is weather dependent.
  • Wednesday, June 29, to the morning of Friday, July 1 - The eastbound SR 522 ramp to northbound I-405 will be closed from 9 p.m. to 5 a.m. nightly. A signed detour will be in place. This work is weather dependent.
  • Thursday, June 30, to the morning of Friday, July 1 - Up to two right lanes of northbound I-405 from SR 522 to Northeast 195th Street will be closed beginning with the right lane at 10 p.m. All lanes will reopen by 5 a.m. This work is weather dependent.
  • Thursday, June 30, to the morning of Friday, July 1 - The northbound I-405 off-ramp to Northeast 195th Street/Beardslee Boulevard will be closed from 10 p.m. to 5 a.m. A signed detour will be in place. This work is weather dependent.