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I-405 - Construction Updates

Last update: 2:49 p.m., Friday, April 18, 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: 2:49 p.m., 4/18/14
Milepost: 13.5 - 30
Steve Peer, Public Information, 425-456-8624
Get project information

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Ramp Closures:

Bellevue area

  • Monday, April 21 to the morning of Tuesday, April 22 – The Northeast Sixth Street on-ramp to northbound I-405 will close from 11 p.m. to 5 a.m. for drainage, barrier and electrical work.
  • Monday, April 21 to the morning of Friday, April 25 – The southbound I-405 off-ramp to Northeast Sixth Street will close from 11 p.m. to 5 a.m. nightly for barrier, electrical and paving work (weather dependent).
  • Monday, April 21 to the morning of Friday, April 25 – The southbound I-405 off-ramp to Northeast Eighth Street will close from 10 p.m. to 4 a.m. nightly for grading and paving work (will not close with left lane closure).
  • Wednesday, April 23 to the morning of Friday, April 25 – The Northeast Eighth Street on-ramp to northbound I-405 will close from 11 p.m. to 5 a.m. nightly for miscellaneous construction activities.

Bothell area

  • Wednesday, April 23 to the morning of Thursday, April 24 – The SR 522 ramp to southbound I-405 will close from 10 p.m. to 5 a.m. for electrical work.

Kirkland area   

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  • Monday, April 21 to the morning of Wednesday, April 23 – The northbound I-405 off-ramp to Northeast 85th Street will close from 10 p.m. to 6 a.m. nightly for paving work.
  • Monday, April 21 to the morning of Friday, April 25 – The Northeast 116th Street on-ramp to southbound I-405 will close from 11 p.m. to 5 a.m. nightly for drainage work.
  • Monday, April 21 to the morning of Tuesday, April 22 – The southbound I-405 off-ramp to Northeast 128th Street will close from 8 p.m. to 5 a.m. for utility work.
  • Monday, April 21 to the morning of Friday, April 25 – The Northeast 128th Street on-ramp to southbound I-405 will close from 8 p.m. to 5 a.m. for utility work.
  • Tuesday, April 22 to the morning of Wednesday, April 23 – The northbound I-405 off-ramp to Northeast 128th Street will close from midnight to 6 a.m. for utility work.
  • Tuesday, April 22 to the morning of Wednesday, April 23 – The Northeast 128th Street on-ramp to northbound I-405 will close from midnight to 6 a.m. for utility work.
  • Wednesday, April 23 to the morning of Thursday, April 24 – The southbound I-405 off-ramp to Northeast 128th Street will close from 8 p.m. to 5 a.m. for utility work.
  • Wednesday, April 23 to the morning of Thursday, April 24 – The Northeast 128th Street on-ramp to southbound I-405 will close from 8 p.m. to 5 a.m. for utility work.
  • Wednesday, April 23 to the morning of Friday, April 25 – The southbound I-405 off-ramp to Northeast 85th Street will close from 9 p.m. to 6 a.m. nightly for grading and paving work.
  • Thursday, April 24 to the morning of Friday, April 25 – The northbound I-405 off-ramp to Northeast 128th Street will close from midnight to 6 a.m. for utility work.
  • Thursday, April 24 to the morning of Friday, April 25 – The Northeast 128th Street on-ramp to northbound I-405 will close from midnight to 6 a.m. for utility work.

Lane Closures:   


Bellevue area

  • Monday, April 21 to the morning of Tuesday, April 22 – One lane of northbound I-405 between Northeast Sixth Street and SR 520 will close from 8 p.m. to 5 a.m. for drainage, barrier and electrical work.
  • Monday, April 21 to the morning of Friday, April 25 – 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 grading and paving work (weather dependent; will not close with left lane closure).
  • Monday, April 21 to the morning of Tuesday, April 22 – 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. for roadway excavation, drainage and paving work.

Bothell area 

  • Wednesday, April 23 to the morning of Thursday, April 24 – 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 and tree removal work.
  • Thursday, April 24 to the morning of Friday, April 25 – Up to two lanes of southbound I-405 between SR 527 and Northeast 195th Street will close from 7 p.m. to 5 a.m. for electrical work.

Kirkland area 

  • Monday, April 21 to the morning of Friday, April 25 – 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 21 to the morning of Friday, April 25 – 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 21 to the morning of Tuesday, April 22 – 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. for roadway excavation, drainage and paving work.
  • Monday, April 21 to the morning of Friday, April 25 – 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 drainage and noisewall construction work.