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I-405 - Construction Updates

Last update: 9:35 a.m. Wednesday, Nov. 26, 2014

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: NE 6th Street to I-5 Widening and Express Toll Lanes Project - #8204

Last update: 9:35 a.m., 11/26/14
Milepost: 13.5 - 30
Steve Peer, Public Information, 425-456-8624
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BLT map


Note: Crews will not work Wednesday afternoon, Nov. 26 to Monday morning, Dec. 1 in observance of the Thanksgiving holiday.

Ramp Closures:

Bellevue area  

  • No ramp closures scheduled at this time.

Bothell area

  • Wednesday, Dec. 3 to the morning of Thursday, Dec. 4 – The eastbound and westbound SR 522 ramps to southbound I-405 will close from 10 p.m. to 5 a.m. for electrical work.

Kirkland area    

  • Monday, Dec. 1 to the morning of Friday, Dec. 5 – The Northeast 85th Street on-ramp to southbound I-405 will close from 10 p.m. to 6 a.m. nightly for miscellaneous construction activities.

Lane Closures: 

Bellevue area

  • No lane closures scheduled at this time.

Bothell/Lynnwood area 

  • Monday, Dec. 1 to the morning of Friday, Dec. 5 – Up to two lanes of northbound I-405 between Northeast 195th Street and SR 527 will close starting at 7 p.m. nightly for tolling work. One lane will be open by 6:30 a.m. and all lanes will be open by 1 p.m.
  • Monday, Dec. 1 to the morning of Friday, Dec. 5 – Up to two lanes of northbound I-405 between SR 527 and I-5 in Lynnwood will close from 7:30 p.m. to 6 a.m. nightly for tolling work.
  • Tuesday, Dec. 2 to the morning of Wednesday, Dec. 3 – One lane of southbound I-405 between I-5 in Lynnwood and SR 527 will close from 7 p.m. to 5 a.m. for tolling work.
  • Wednesday, Dec. 3 to the morning of Thursday, Dec. 4 – One lane of southbound I-405 between SR 522 and Northeast 160th Street will close from 7 p.m. to 5 a.m. for electrical work.
  • Thursday, Dec. 4 to the morning of Friday, Dec. 5 – One lane of southbound I-405 between I-5 in Lynnwood and SR 527 will close from 7 p.m. to 5 a.m. for tolling work.
  • Thursday, Dec. 4 to the morning of Friday, Dec. 5 – Up to two lanes of southbound I-405 between SR 527 and Northeast 195th Street will close 7 p.m. to 5 a.m. nightly for electrical work.

Kirkland area

  • Monday, Dec. 1 to the morning of Friday, Dec. 5 – Up to two lanes of northbound I-405 between Northeast 70th Street and Northeast 85th Street will close from 8 p.m. to 6 a.m. nightly for roadway excavation and drainage work.
  • Monday, Dec. 1 to the morning of Friday, Dec. 5 – One lane of southbound I-405 between Northeast 85th Street and Northeast 70th Street will close from 7 p.m. to 5 a.m. nightly for miscellaneous construction activities.
  • Monday, Dec. 1 to the morning of Friday, Dec. 5 – One lane of northbound I-405 between Northeast 85th Street and Northeast 124th Street will close from 8 p.m. to 11 a.m. nightly noise wall work.

I-405: SE 8th to Northup Way Paving - #8601

Last update: 1:51 p.m., 11/17
Milepost: 13.68-14.85
Mark Sawyer, project engineer, 425-225-8799
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  • This project is suspended until Spring 2015.