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I-405 - Construction Updates

Last update: 12:37 p.m. Monday, August 3, 2015

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: 12:38 p.m. 8/3
I-405: NE 6th Street to I-5 Widening and Express Toll Lanes - #8204
Mileposts: 13.5 - 30
Steve Peer, Public Information, 425-456-8624
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BLT map

Ramp Closures:

Bellevue area

  • Monday, August 3 to the morning of Friday, August 7 – The Southeast Eighth Street on-ramp to northbound I-405 will close from 11 p.m. to 5 a.m. nightly for electrical work.
  • Monday, August 3 to the morning of Friday, August 7 – The eastbound and westbound SR 520 ramps to northbound I-405 will close from 10 p.m. to 4 a.m. nightly for electrical work.

Bothell area

  • Monday, August 3 to the morning of Friday, August 7 – The northbound I-405 ramp to SR 522 will close from 9 p.m. to 6 a.m. nightly for paving work.
  • Monday, August 3 to the morning of Friday, August 7 – The SR 527 ramp to southbound I-405 will close from 10 p.m. to 5 a.m. nightly for sign structure work.

 Kirkland area  

  • Monday, August 3 to the morning of Friday, August 7 – The southbound I-405 off-ramp to Northeast 70th Street will close from 9 p.m. to 6 a.m. nightly for paving work. This work is weather dependent.
  • Monday, August 3 to the morning of Friday, August 7 – The Northeast 70th Street on-ramp to southbound I-405 will close from 8 p.m. to 6 a.m. nightly for paving work. This work is weather dependent.
  • Monday, August 3 to the morning of Friday, August 7 – The northbound I-405 off-ramp to Northeast 70th Street will close from 9 p.m. to 6 a.m. nightly for roadway excavation work.
  • Monday, August 3 to the morning of Friday, August 7 – The northbound I-405 off-ramp to Northeast 85th Street will close from 10 p.m. to 6 a.m. nightly for electrical and paving work. This work is weather dependent.
  • Monday, August 3 to the morning of Friday, August 7 – The Northeast 85th Street on-ramp to northbound I-405 will close from 10 p.m. to 6 a.m. nightly for paving and shot blast abrasion work. This work is weather dependent.
  • Monday, August 3 to the morning of Friday, August 7 – The southbound I-405 off-ramp to Northeast 85th Street will close from 9 p.m. to 6 a.m. nightly for electrical work.
  • Monday, August 3 to the morning of Friday, August 7 – The northbound I-405 off-ramp to 116th Street will close from 10 p.m. to 6 a.m. nightly for electrical work.
  • Monday, August 3 to the morning of Friday, August 7 – The northbound I-405 off-ramp to Northeast 124th Street /Totem Lake Boulevard Northeast will close from 10 p.m. to 6 a.m. nightly for barrier work.
  • Monday, August 3 to the morning of Friday, August 7 – The Northeast 124th Street/Totem Lake Boulevard Northeast on-ramp to northbound I-405 will close from 10 p.m. to 6 a.m. nightly for grinding and paving work.
  • Monday, August 3 to the morning of Friday, August 7 – The northbound I-405 off-ramp to Northeast 160th Street will close from 11 p.m. to 6 a.m. nightly for paving work.
  • Monday, August 3 to the morning of Friday, August 7 – The Northeast 160th Street on-ramp to northbound I-405 will close from 10 p.m. to 6 a.m. nightly for paving work.
  • Monday, August 3 to the morning of Friday, August 7 – The Northeast 160th Street on-ramp to southbound I-405 will close from 8 p.m. to 5 a.m. nightly for paving and grinding work.
  • Sunday, August 9 – The northbound I-405 ramp to SR 522 will close from 12:30 a.m. to 5:30 a.m. for paving work.
  • Sunday, August 9 – The Northeast 160th Street on-ramp to northbound I-405 will close from 12:30 a.m. to 5:30 a.m. for paving work .

Lane Closures:

Bellevue area

  • Monday, August 3 to the morning of Friday, August 7 – Up to four lanes of northbound I-405 between SR 520 and Northeast 70th Street will close starting at 8 p.m. nightly for saw cutting work. The first lane will open by 5 a.m. all lanes will be open by 7 a.m.

Bothell/Lynnwood area

  • No lane closures in this area.

Kirkland area

  • Sunday, August 9 – Full closure of northbound I-405 between Northeast 160th Street and SR 522 12:30 a.m. to 5:30 a.m. for paving work.

I-405: Bellevue Bridge Deck Repair Work
Milepost: 10.65
Justin Fujioka, WSDOT Communications, 206-440-4473

  • Saturday, Aug. 8, to the morning of Sunday, Aug. 9 - The southbound Bellevue Way Southeast on-ramp to eastbound I-90 and I-405 will be closed from 9 p.m. to 6 a.m. for bridge deck repair work.

Last update: 3:15 p.m. 7/31
I-405: Bothell Pond Cleaning Work
Milepost: 24.52
Justin Fujioka, WSDOT Communications, 206-440-4473

  • Tuesday, Aug. 4, to Thursday, Aug. 6 - The right lane of the northbound I-405 collector-distributor just past the Northeast 195th Street off-ramp will be closed from 10 a.m. to 2 p.m. daily for pond cleaning work. The left HOV lane will be open to all traffic.