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I-405 - Construction Updates

Last update: 10:02 a.m., Wednesday, April 16, 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: Concrete panel replacement and rehabilitation - #8393

Last update: 2:05 p.m., 3/18
Mileposts: 10.7 to 13.5
Ed Kane, WSDOT, 425-225-8749

  • No work is currently scheduled on this project. Check back for updates.


I-405: NE 6th Street to I-5 Widening and Express Toll Lanes Project - #8204

Last update: 10:02 a.m., 4/16/14
Milepost: 13.5 - 30
Steve Peer, Public Information, 425-456-8624
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Ramp Closures:

Bellevue area

  • Monday, April 14 to the morning of Friday, April 18 – The Northeast Sixth Street on-ramp to northbound I-405 will close from 11 p.m. to 5 a.m. nightly for paving, barrier, grading and electrical work.
  • Monday, April 14 to the morning of Friday, April 18 – The southbound I-405 off-ramp to Northeast Sixth Street will close from 11 p.m. to 5 a.m. nightly for barrier and electrical work.
  • Wednesday, April 16 to the morning of Friday, April 18 – The eastbound SR 520 ramp to southbound I-405 will close from 10 p.m. to 5 a.m. nightly for electrical work.
  • Thursday, April 17 to the morning of Friday, April 18 – The southbound I-405 off-ramp to Northeast Eighth Street will close from 10 p.m. to 4 a.m. for drainage work.

Bothell area

  • Monday, April 14 to the morning of Friday, April 18 – The southbound I-405 off-ramp to Northeast 160th Street will close from 11 p.m. to 5 a.m. nightly for tree removal work.
  • Monday, April 14 to the morning of Friday, April 18 – The SR 522 ramp to southbound I-405 will close from 10 p.m. to 5 a.m. nightly for tree removal work.
  • Wednesday, April 16 to the morning of Thursday, April 17 – The Northeast 195th Street on-ramp to southbound I-405 will close from 9 p.m. to 5 a.m. for electrical work.
  • Wednesday, April 16 to the morning of Friday, April 18 – The Northeast 160th Street on-ramp to southbound I-405 will close from 8 p.m. to 5 a.m. nightly for barrier work.
  • Thursday, April 17 to the morning of Friday, April 18 – The Northeast 195th Street on-ramp to northbound I-405 will close from 9 p.m. to 7 a.m. for electrical work.

Kirkland area   

  • Monday, April 14 to the morning of Friday, April 18 – The Northeast 85th Street on-ramp to northbound I-405 will close from 10 p.m. to 6 a.m. nightly for noise wall construction work.
  • Monday, April 14 to the morning of Friday, April 18 – The Northeast 128th Street on-ramp to northbound I-405 will close from midnight to 6 a.m. nightly for utility work.
  • Monday, April 14 to the morning of Friday, April 18 – The southbound I-405 off-ramp to Northeast 160th Street will close from 11 p.m. to 5 a.m. nightly for tree removal work.

Lane Closures:   


Bellevue area

  • Monday, April 14 to the morning of Friday, April 18 – One lane of northbound I-405 between Northeast Sixth Street and SR 520 will close from 8 p.m. to 5 a.m. nightly for grading, barrier and electrical work.
  • Monday, April 14 to the morning of Friday, April 18 – One lane of southbound I-405 between SR 520 and Northeast Sixth Street will close from 7 p.m. to 5 a.m. nightly for drainage and barrier work.

Bothell area 

  • Monday, April 14 to the morning of Friday, April 18 – Up to two lanes of southbound I-405 between SR 527 and Northeast 195th Street will close from 10 p.m. to 5 a.m. nightly for pavement grinding work.
  • Tuesday, April 15 to the morning of Friday, April 18 – One lane of southbound I-405 between SR 522 and Northeast 160th Street will close from 7 p.m. to 5 a.m. nightly for electrical and tree removal work.
  • Wednesday, April 16 to the afternoon of Thursday, April 17 – Up to three lanes of northbound I-405 between Northeast 195th Street and SR 527 will close starting at 7 p.m. for pavement grinding work. One lane will open by 5 a.m. and all lanes will be open by 1 p.m.
  • Thursday, April 17 to the morning of Friday, April 18 – Up to two lanes of northbound I-405 between Northeast 195th Street and SR 527 will close from 7:30 p.m. to 6:30 a.m. for pavement grinding work.

Kirkland area 

  • Monday, April 14 to the morning of Friday, April 18 – Up to two lanes of northbound I-405 between Northeast 70th Street and Northeast 85th Street will close from 8 p.m. to 7 a.m. nightly for barrier work.
  • Monday, April 14 to the morning of Friday, April 18 – Up to two lanes of southbound I-405 between Northeast 85th Street and Northeast 70th Street will close from 7 p.m. to 5 a.m. nightly for barrier work.
  • Monday, April 14 to the morning of Friday, April 18 – Up to two lanes of southbound I-405 between Northeast 70th Street and SR 520 will close from 7 p.m. to 5 a.m. nightly for roadway excavation, drainage and paving work.
  • Monday, April 14 to the morning of Friday, April 18 – 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 for noisewall construction work.