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I-405 - Construction Updates

Last update: 2:20 p.m. Thursday, July 24, 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: 2:20 p.m., 7/24/14
Milepost: 13.5 - 30
Steve Peer, Public Information, 425-456-8624
Get project information

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Ramp Closures:

Bellevue area

  • Monday, July 21 to the morning of Friday, July 25 – The Northeast Eighth Street on-ramp to northbound I-405 will close from 11 p.m. to 5 a.m. nightly for paving work.
  • Monday, July 21 to the morning of Friday, July 25 – The northbound I-405 ramp to westbound SR 520 will close from 11 p.m. to 4 a.m. nightly for bridge work.
  • Monday, July 21 to the morning of Friday, July 25 – 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.
  • Monday, July 28 to the morning of Friday, August 1 – The Northeast Eighth Street on-ramp to northbound I-405 will close from 11 p.m. to 5 a.m. nightly for paving work.
  • Monday, July 28 to the morning of Friday, August 1 – The northbound I-405 ramp to westbound SR 520 will close from 11 p.m. to 4 a.m. nightly for bridge work.
  • Monday, July 28 to the morning of Friday, August 1 – 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, July 21 to the morning of Friday, July 25 – The Northeast 160th Street on-ramp to southbound I-405 will close from 8 p.m. to 5 a.m. nightly for electrical work (Brickyard P&R will be accessible by METRO).
  • Monday, July 21 to the morning of Friday, July 25 – The southbound I-405 on-ramp to Northeast 160th Street will close from 11 p.m. to 5 a.m. nightly for sign structure work.
  • Monday, July 21 to the morning of Friday, July 25 – The SR 527 ramp to southbound I-405 will close from 10 p.m. to 5 a.m. nightly for electrical work.
  • Monday, July 28 to the morning of Friday, August 1 – The Northeast 160th Street on-ramp to southbound I-405 will close from 8 p.m. to 5 a.m. nightly for electrical work.
  • Monday, July 28 to the morning of Friday, August 1 – The southbound I-405 off-ramp to Northeast 160th Street will close from 11 p.m. to 5 a.m. nightly for sign structure work.
  • Monday, July 28 to the morning of Friday, August 1 – The SR 527 ramp to southbound I-405 will close from 10 p.m. to 5 a.m. nightly for electrical and striping work (Weather and temperature dependent).
  • Wednesday, July 30 to the morning of Friday, August 1 – The southbound I-405 off-ramp to Northeast 195th Street will close from 10 p.m. to 5 a.m. nightly for striping work (Weather and temperature dependent).
  • Wednesday, July 30 to the morning of Friday, August 1 – The northbound I-405 ramp to SR 527 will close from 11 p.m. to 6 a.m. nightly for striping work (Weather and temperature dependent).

Kirkland area  

  • Monday, July 21 to the morning of Friday, July 25 – The northbound I-405 off-ramp to Northeast 70th Street will close from 9 p.m. to 6 a.m. nightly for survey and sawcutting work.
  • Monday, July 21 to the morning of Friday, July 25 – The Northeast 70th Street on-ramp to southbound I-405 will close from 8 p.m. to 6 a.m. nightly for roadway excavation and paving work.
  • Monday, July 21 to the morning of Friday, July 25 – The Northeast 70th Street on-ramp to northbound I-405 will close from 9 p.m. to 6 a.m. nightly for electrical, survey and sawcutting work.
  • Monday, July 21 to the morning of Friday, July 25 – The southbound I-405 off-ramp to Northeast 70th Street will close from 9 p.m. to 6 a.m. nightly for roadway excavation work.
  • Monday, July 21 to the morning of Friday, July 25 – The southbound I-405 off-ramp to Northeast 85th Street will close from 9 p.m. to 6 a.m. nightly for roadway excavation and paving work.
  • Monday, July 21 to the morning of Friday, July 25 – The northbound I-405 off-ramp to Northeast 85th Street will close from 10 p.m. to 6 a.m. nightly for electrical work.
  • Monday, July 21 to the morning of Friday, July 25 – The Northeast 85th Street on-ramp to southbound I-405 will close from 10 p.m. to 6 a.m. nightly for roadway excavation work.
  • Monday, July 21 to the morning of Friday, July 25 – The northbound I-405 off-ramp to Northeast 124th Street/Totem Lake Boulevard will close from 10 p.m. to 6 a.m. nightly for electrical work.
  • Monday, July 21 to the morning of Friday, July 25 – The northbound I-405 off-ramp to Northeast 128th Street will close from 12 a.m. to 6 a.m. nightly for barrier and electrical work.
  • Monday, July 21 to the morning of Friday, July 25 – The Northeast 128th Street on-ramp to northbound I-405 will close from 12 a.m. to 6 a.m. nightly for barrier and electrical work.
  • Monday, July 21 to the morning of Friday, July 25 – The southbound I-405 off-ramp to Northeast 128th Street will close from 8 p.m. to 5 a.m. nightly for barrier and electrical work.
  • Monday, July 21 to the morning of Friday, July 25 – The Northeast 128th Street on-ramp to southbound I-405 will close from 8 p.m. to 5 a.m. nightly for barrier and electrical work.
  • Saturday, July 26 to the morning of Sunday, July 27 – The Northeast 70th Street on-ramp to northbound I-405 will close from 3 a.m. to 8 a.m. for lane restriping work (Weather contingent).
  • Saturday, July 26 to the morning of Sunday, July 27 – The northbound I-405 off-ramp to Northeast 85th Street will close from 11 p.m. to 10 a.m. for paving and lane restriping work (Weather contingent).
  • Saturday, July 26 to the morning of Sunday, July 27 – The Northeast 85th Street on-ramp to northbound I-405 will close from 3 a.m. to 9 a.m. for lane restriping work (Will close after NE 70th Street to NB I-405 ramp opens; Weather contingent).
  • Monday, July 28 to the morning of Friday, August 1 – The northbound I-405 off-ramp to Northeast 70th Street will close from 9 p.m. to 6 a.m. nightly for survey and sawcutting work.
  • Monday, July 28 to the morning of Friday, August 1 – The Northeast 70th Street on-ramp to northbound I-405 will close from 9 p.m. to 6 a.m. nightly for survey and sawcutting work.
  • Monday, July 28 to the morning of Friday, August 1 – The southbound I-405 off-ramp to Northeast 70th Street will close from 9 p.m. to 6 a.m. nightly for electrical, paving, roadway excavation and lane restriping work.
  • Monday, July 28 to the morning of Friday, August 1 – The Northeast 70th Street on-ramp to southbound I-405 will close from 8 p.m. to 6 a.m. nightly for roadway excavation and paving work.
  • Monday, July 28 to the morning of Tuesday, July 29 – The northbound I-405 off-ramp to Northeast 85th Street will close from 10 p.m. to 6 a.m. for electrical work.
  • Monday, July 28 to the morning of Friday, August 1 – The Northeast 85th Street on-ramp to southbound I-405 will close from 10 p.m. to 6 a.m. nightly for roadway excavation and paving work.
  • Monday, July 28 to the morning of Friday, August 1 – The northbound I-405 off-ramp to Northeast 124th Street/Totem Lake Boulevard will close from 10 p.m. to 6 a.m. nightly for roadway excavation and paving work.
  • Monday, July 28 to the morning of Friday, August 1 – The northbound I-405 off-ramp to Northeast 128th Street will close from 12 a.m. to 6 a.m. nightly for utility work.
  • Monday, July 28 to the morning of Friday, August 1 – The Northeast 128th Street on-ramp to northbound I-405 will close from 12 a.m. to 6 a.m. nightly for barrier and electrical work.
  • Monday, July 28 to the morning of Tuesday, August 29 – The southbound I-405 off-ramp to Northeast 128th Street will close from 8 p.m. to 4:50 a.m. for barrier and electrical work.
  • Monday, July 28 to the morning of Tuesday, July 29 – The Northeast 128th Street on-ramp to southbound I-405 will close from 8 p.m. to 4:50 a.m. for barrier and electrical work.
  • Tuesday, July 29 to the morning of Thursday, July 31 – The southbound I-405 off-ramp to Northeast 128th Street will close from 8 p.m. to 5 a.m. nightly for barrier and electrical work.
  • Tuesday, July 29 to the morning of Thursday, July 31 – The Northeast 128th Street on-ramp to southbound I-405 will close from 8 p.m. to 5 a.m. for barrier and electrical work.
  • Thursday, July 31 to the morning of Friday, August 1 – The Northeast 128th Street on-ramp to southbound I-405 will close from 8 p.m. to 4:50 a.m. for barrier and electrical work.
  • Thursday, July 31 to the morning of Friday, August 1 – The southbound I-405 off-ramp to Northeast 128th Street will close from 8 p.m. to 4:50 a.m. for barrier and electrical work.
  • Thursday, July 31 to the morning of Friday, August 1 – The northbound I-405 off-ramp to Northeast 85th Street will close from 10 p.m. to 6 a.m. for guardrail installation work.

Lane Closures: 

Bellevue area

  • Monday, July 21 to the morning of Friday, July 25 – One lane of northbound I-405 between Northeast Eighth Street and SR 520 will close from 7:30 p.m. to 5 a.m. nightly for paving work.
  • Monday, July 28 to the morning of Friday, August 1 – One lane of northbound I-405 between Northeast Eighth Street and SR 520 will close from 7:30 p.m. to 5 a.m. nightly for paving work.

Bothell area

  • Monday, July 28 to the morning of Wednesday, July 30 – One lane of northbound I-405 between SR 527 and I-5 in Lynnwood will close from 7 p.m. to 5 a.m. nightly for lane striping work (Weather and temperature dependent).
  • Wednesday, July 30 to the morning of Friday, August 1 – Up to two lanes of northbound I-405 between SR 527 and I-5 in Lynnwood will close from 7 p.m. to 5 a.m. nightly for lane striping work (Weather and temperature dependent).
  • Monday, July 28 to the morning of Wednesday, July 30 – One lane of souhtbound I-405 between I-5 in Lynnwood and SR 527 will close from 7 p.m. to 5 a.m. nightly for lane striping work (Weather and temperature dependent).
  • Wednesday, July 30 to the morning of Friday, August 1 – Up to three lanes of southbound I-405 between SR 527 and I-5 in Lynnwood will close starting at 7 p.m. nightly for lane striping work. All lanes will be open by 5 a.m. (Weather and temperature dependent).

Kirkland area

  • Monday, July 21 to the morning of Friday, July 25 – 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 roadway excavation work.
  • Saturday, July 26 to the morning of Sunday, July 27 – Up to three lanes of northbound I-405 between Northeast 70th Street and Northeast 85th Street will close starting at 7:30 p.m. for lane restriping work. All lanes will be open by 10 a.m. (Weather contingent)
  • Monday, July 28 to the morning of Friday, August 1 – Up to three lanes of southbound I-405 between Northeast 85th Street and Northeast 70th Street will close starting at 7 p.m. nightly for grinding and lane restriping work. All lanes will be open by 5 a.m.
  • Monday, July 28 to the morning of Tuesday, July 29 – One lane of northbound I-405 between Northeast 70th Street and Northeast 85th Street will close from 8 p.m. to 6 a.m. for barrier work.
  • Thursday, July 31 to the morning of Friday, August 1 – One lane of northbound I-405 between Northeast 70th Street and Northeast 85th Street will close from 8 p.m. to 6 a.m. for barrier work.


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

Last update: 11:18 a.m., 7/24
Milepost: 13.68-14.85
Mark Sawyer, project engineer, 425-225-8799
Get project information

  • *CANCELED* Wednesday, July 23 to the morning of Thursday, July 24- The left lane of southbound I-405 between SR 520 and Southeast 8th Street will close from 8 p.m. to 5 a.m. for paving work.
  • *CANCELED* Thursday, July 24 to the morning of Friday, July 25- The left lane of southbound I-405 between SR 520 and Southeast 8th Street will close from 8 p.m. to 5 a.m. for paving work.
  • Monday, July 28 to the morning of Wednesday, July 30 - The left lane of southbound I-405 between SR 520 and Southeast 8th Street will close nightly from 8 p.m. to 5 a.m. for paving work.
  • Thursday, July 31 to the morning of Friday, Aug. 1 - Up to 3 left lanes of southbound I-405 will close from SR 520 to Southeast 8th Street from 8 p.m. to 5 a.m. for survey work.