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: 11:54  a.m. Wednesday, May 25, 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: 4:53 p.m. 5/23
I-405: SR 181 & SR 405 SB On-Ramp Ramp Meter Modification - #QE9989
Milepost: 0.84
Dina Swires, WSDOT Project Engineer, 206-276-5763

  • Thursday, May 26 - The right lane of the Interurban Avenue South/SR 181 on-ramp to southbound I-405 will be closed from 10 a.m. to 3 p.m. for concrete and signal installation work.
  • Thursday, May 26, to the morning of Friday, May 27 - The Interurban Avenue South/SR 181 on-ramp to southbound I-405 will be closed from 9 p.m. to 5 a.m. for concrete and signal installation work. A signed detour will be in place.

Last update: 10:40 a.m. 5/20
I-405: Renton to Bellevue Paving Work
Mileposts: 5.37 - 9.26
Justin Fujioka, WSDOT Communications, 206-440-4473

  • Tuesday, May 31, to the morning of Wednesday, June 1 - The southbound I-405 off-ramp to Lake Washington Boulevard Southeast will be closed from 9 p.m. to 4:30 a.m. for paving work. This work is weather dependent.
  • Tuesday, May 31, to the morning of Wednesday, June 1 - The Lake Washington Boulevard Southeast on-ramp to southbound I-405 will be closed from 9 p.m. to 4:30 a.m. for paving work. This work is weather dependent.
  • Tuesday, May 31, to the morning of Wednesday, June 1 - The right lane of southbound I-405 near Lake Washington Boulevard Southeast will be closed from 10 p.m. to 4:30 a.m. for paving work. The HOV lane will be open to all vehicles. This work is weather dependent.
  • Wednesday, June 1, to the morning of Thursday, June 2 - The southbound I-405 off-ramp to Northeast 44th Street will be closed from 9 p.m. to 4:30 a.m. for paving work. This work is weather dependent.
  • Wednesday, June 1, to the morning of Thursday, June 2 - The Northeast 44th Street on-ramp to southbound I-405 will be closed from 9 p.m. to 4:30 a.m. for paving work. This work is weather dependent.
  • Wednesday, June 1, to the morning of Thursday, June 2 - The right lane of southbound I-405 near Northeast 44th Street will be closed from 10 p.m. to 4:30 a.m. for paving work. The HOV lane will be open to all vehicles. This work is weather dependent.
  • Thursday, June 2, to the morning of Friday, June 3 - The right lane of southbound I-405 from Northeast 30th Street to Park Avenue North will be closed from 10 p.m. to 4:30 a.m. for paving work. The HOV lane will be open to all vehicles. This work is weather dependent.

Last update: 11:07 a.m. 5/23
I-405: Bellevue Bridge Inspection Work
Milepost: 10.65
Justin Fujioka, WSDOT Communications, 206-440-4473

  • Saturday, June 25 - The left lane of the northbound I-405 ramp to westbound I-90 will be closed from 5 to 6 a.m. for bridge inspection work.

Last update: 11:54 a.m. 5/25
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.

Get project information

BLT map

Ramp Closures:

Bellevue area

  • No ramp closures scheduled

Kirkland area

  • Wednesday, May 25 to the morning of Thursday, May 26 - The southbound I-405 off-ramp to Northeast 128th Street will be closed from 8 p.m. to 5 a.m. A signed detour will be in place.

Bothell/Lynnwood area  

  • Wednesday, May 25 to the morning of Thursday, May 26 - The eastbound SR 522 ramp to northbound I-405 will be closed from 10 p.m. to 5 a.m. A signed detour will be in place.
  • Wednesday, May 25 to the morning of Thursday, May 26 - 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.
  • Wednesday, May 25 to the morning of Thursday, May 26 - 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.
  • Wednesday, May 25 to the morning of Thursday, May 26 - The SR 527 on-ramp to southbound I-405 will be closed from 10 p.m. to 5 a.m. A signed detour will be in place.

Lane Closures: 

Bellevue area

  • Wednesday, May 25 to the morning of Thursday, May 26 - Up to three right lanes of northbound I-405 between Northeast 8th Street and SR 520 will be closed from 8 p.m. to 5 a.m.
  • Wednesday, May 25 to the morning of Thursday, May 26 - Up to three left lanes of southbound I-405 between Northeast 70th Place and SR 520 will be closed from 7 p.m. to 4:30 a.m.

Kirkland area

  • Wednesday, May 25 to the morning of Thursday, May 26 - Up to three left lanes of southbound I-405 between Northeast 70th Place and SR 520 will be closed from 7 p.m. to 4:30 a.m.
  • Wednesday, May 25 to the morning of Thursday, May 26 - Up to three left lanes of northbound I-405 between Northeast 85th Street and Northeast 124th Street will be closed from 7:30 p.m. to 5 a.m.
  • Wednesday, May 25 to the morning of Thursday, May 26 - Up to two right lanes of northbound I-405 between Northeast 116th Street and Northeast 124th Street will be closed from 7 p.m. to 4:30 a.m.

Bothell/Lynnwood area  

  • Wednesday, May 25 to the morning of Thursday, May 26 - Up to two right lanes of northbound I-405 between SR 522 and Northeast 195th Street will be closed from 8 p.m. to 5 a.m.
  • Wednesday, May 25 to the morning of Thursday, May 26 - One left lane of southbound I-405 between SR 527 and Northeast 195th Street will be closed from 7 p.m. to 4:30 a.m.
  • Wednesday, May 25 to the morning of Thursday, May 26 - Up to two right lanes of southbound I-405 between SR 527 and Northeast 195th Street will be closed from 8 p.m. to 4:30 a.m.
  • Wednesday, May 25 to the morning of Thursday, May 26 - One right lane of southbound I-405 between SR 527 and Northeast 195th Street will be closed from 8 p.m. to 4:30 a.m.