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I-405 - Construction Updates

Last update: 1:49 p.m. Friday, April 24, 2015

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 - #8204

Last update: 1:49 p.m., 4/24
Mileposts: 13.5 - 30
Steve Peer, Public Information, 425-456-8624
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BLT map

Ramp Closures:

Bellevue area

  • Monday, April 27 to the morning of Friday, May 1 – The southbound I-405 ramp to eastbound and westbound SR 520 will close from 11 p.m. to 4 a.m. nightly for paving work.

Bothell area

  • Saturday, April 25 to the morning of Sunday, April 26 – The northbound I-5 ramp in Lynnwood to southbound I-405 will close from 11 p.m. to 6 a.m.
  • Saturday, April 25 to the morning of Sunday, April 26 – The southbound I-5 ramp in Lynnwood to southbound I-405 will close from 11 p.m. to 6 a.m.
  • Monday, April 27 to the morning of Friday, May 1 – The northbound I-405 ramp to SR 522 will close from 9 p.m. to 6 a.m. for guardrail, paving, drainage and noise wall work.
  • Monday, April 27 to the morning of Friday, May 1 – The SR 522 ramp to southbound I-405 will close from 10 p.m. to 5 a.m. nightly for paving work.
  • Monday, April 27 to the morning of Friday, May 1 – The southbound I-405 off-ramp to Northeast 195th Street will close from 11 p.m. to 5 a.m. nightly for lane striping work.
  • Monday, April 27 to the morning of Friday, May 1 – The northbound I-405 ramp to SR 527 will close from 11 p.m. to 6 a.m. nightly for lane striping work.
  • Monday, April 27 to the morning of Friday, May 1 – The SR 527 ramp to northbound I-405 will close from 9 p.m. to 7 a.m. nightly for lane striping and shot blast abrasion work.
  • Monday, April 27 to the morning of Friday, May 1 – The SR 527 ramp to southbound I-405 will close from 10 p.m. to 5 a.m. nightly for lane striping and shot blast abrasion work.

Kirkland area  

  • Saturday, April 25 to the morning of Sunday, April 26 – The southbound I-405 off-ramp to Northeast 70th Street will close from 9 p.m. to 8 a.m. for traffic shift work.
  • Saturday, April 25 to the morning of Sunday, April 26– The Northeast 70th Street on-ramp to southbound I-405 will close from 8 p.m. to 8 a.m. for traffic shift work.
  • Saturday, April 25 to the morning of Sunday, April 26– The Northeast 85th Street on-ramp to southbound I-405 will close from midnight to 4 a.m. for traffic shift work.
  • Monday, April 27 to the morning of Friday, May 1 – The Northeast 70th Street on-ramp to northbound I-405 will close from 9 p.m. to 6 a.m. nightly for paving work.
  • Monday, April 27 to the morning of Friday, May 1 – The northbound I-405 off-ramp to Northeast 70th Street will close from 9 p.m. to 6 a.m. nightly for paving work. This ramp will not close if the northbound I-405 off-ramp to Northeast 85th Street closes.
  • Monday, April 27 to the morning of Friday, May 1 – The Northeast 70th Street on-ramp to southbound I-405 will close from 8 p.m. to 6 a.m. nightly for paving work.
  • Monday, April 27 to the morning of Friday, May 1 – The northbound I-405 off-ramp to Northeast 85th Street will close from 10 p.m. to 6 a.m. nightly for roadway excavation, grading and paving work.
  • Monday, April 27 to the morning of Friday, May 1 – The Northeast 85th Street on-ramp to southbound I-405 will close from 10 p.m. to 6 a.m. nightly for drainage and grading work.
  • Monday, April 27 to the morning of Friday, May 1 – The southbound I-405 off-ramp to Northeast 85th Street will close from 9 p.m. to 6 a.m. nightly for paving work.
  • Monday, April 27 to the morning of Friday, May 1 – The northbound I-405 off-ramp to Northeast 124th Street will close from 10 p.m. to 6 a.m. nightly for barrier work.
  • Monday, April 27 to the morning of Friday, May 1 – The southbound I-405 off-ramp to Northeast 124th Street will close from 10 p.m. to 5 a.m. nightly for paving work.
  • Monday, April 27 to the morning of Friday, May 1 – The Northeast 128th Street on-ramp to southbound I-405 will close from 8 p.m. to 4:50 a.m. nightly for paving work.
  • Monday, April 27 to the morning of Friday, May 1 – The northbound I-405 off-ramp to Northeast 128th Street will close from midnight to 4:50 a.m. nightly for paving work.
  • Monday, April 27 to the morning of Friday, May 1 – The southbound I-405 off-ramp to Northeast 128th Street will close from 8 p.m. to 4:50 a.m. nightly for paving work.
  • Monday, April 27 to the morning of Friday, May 1 – The Northeast 160th Street on-ramp to northbound I-405 will close from 10 p.m. to 6 a.m. nightly for guardrail, paving, drainage and noise wall work.
  • Monday, April 27 to the morning of Friday, May 1 – The southbound I-405 off-ramp to Northeast 160th Street will close from 11 p.m. to 5 a.m. nightly for paving, roadway excavation, drainage, barrier and line striping work.
  • Friday, May 1 to the morning of Saturday, May 2 – The Northeast 70th Street on-ramp to southbound I-405 will close from 8 p.m. to 6 a.m. for paving work.
  • Friday, May 1 to the morning of Monday, May 4 – The southbound I-405 off-ramp to Northeast 160th Street will close from 11 p.m. on Saturday night to 5 a.m. on Monday morning for roadway excavation, drainage, grading, paving, barrier and striping work. This is a full weekend closure.
  • Friday, May 1 to the morning of Saturday, May 2 – The Northeast 128th Street on-ramp to northbound I-405 will close from midnight to 6 a.m. for grind and overlay work.
  • Saturday, May 2 to the morning of Sunday, May 3 – The Northeast 85th Street on-ramp to southbound I-405 will close from 11 p.m. to 4 a.m. for traffic shift work.
  • Saturday, May 2 to the morning of Sunday, May 3 – The southbound I-405 off-ramp to Northeast 70th Street will close from 9 p.m. to 8 a.m. for traffic shift work.
  • Saturday, May 2 to the morning of Sunday, May 3 – The Northeast 70th Street on-ramp to southbound I-405 will close from 8 p.m. to 6 a.m. nightly for traffic shift work.
  • Saturday, May 2 to the morning of Sunday, May 3 – The Northeast 124th Street/Totem Lake Boulevard on-ramp to northbound I-405 will close from 10 p.m. to 6 a.m. for traffic shift work.

Lane Closures:

Bellevue area

  • Monday, April 27 to the morning of Friday, May 1 – Up to three lanes of southbound I-405 between Northeast 70th Street and SR 520 will close starting at 8 p.m. nightly for grind and overlay work. The first lane will open at 6 a.m. and all lanes will be open by 7 a.m.

Bothell/Lynnwood area

  • Saturday, April 25 to the morning to Sunday, April 26 – Up to two right lanes of northbound I-405 between SR 527 and I-5 will close starting at 7 p.m. All lanes will open by 8:30 a.m.
  • Saturday, April 25 to the morning to Sunday, April 26 – Up to two right lanes of southbound I-405 between I-5 and SR 527 will close starting at 7 p.m. The first lane will open by 8 a.m. and all lanes will open by 9 a.m.
  • Monday, April 27 to the morning of Friday, May 1 – Up to two lanes of southbound I-405 between I-5 and SR 527 will close from 7 p.m. to 5 a.m. nightly for lane striping and shot blast abrasion work.

Kirkland area

  • Saturday, April 25 to the morning to Sunday, April 26 – Up to three left lanes of southbound I-405 between Northeast 124th Street and Northeast 85th Street will close starting at 7 p.m. The first lane will open by 7 a.m. and all lanes will open by 9 a.m.
  • Saturday, April 25 to the morning to Sunday, April 26 – Up to three right lanes of southbound I-405 between Northeast 85th Street and Northeast 70th Street will close starting at 7 p.m. The first lane will open by 7 a.m. and all lanes will open by 9 a.m.
  • Monday, April 27 to the morning of Friday, May 1 – Up to three lanes of southbound I-405 between Northeast 70th Street and SR 520 will close starting at 8 p.m. nightly for grind and overlay work. The first lane will open at 6 a.m. and all lanes will be open by 7 a.m.
  • Monday, April 27 to the morning of Friday, May 1 – Up to three lanes of northbound I-405 between Northeast 124th Street and Northeast 160th Street will close starting at 7:30 p.m. nightly for grind and overlay work. The first lane will open by 5 a.m. and all lanes will be open by 6:30 a.m.
  • Monday, April 27 to the morning of Friday, May 1 – One lane of northbound I-405 between Northeast 160th Street and SR 522 will close from 9 p.m. to 6 a.m. nightly for paving work.
  • Monday, April 27 to the morning of Friday, May 1 – 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 paving work.
  • Friday, May 1 to the morning of Saturday, May 2 – Up to three lanes of southbound I-405 between Northeast 70th Street and SR 520 will close starting at 8 p.m. for grind and overlay work. The first lane will open at 6 a.m. and all lanes will be open by 7 a.m.
  • Friday, May 1 to the morning of Saturday, May 2 – Up to three lanes of northbound I-405 between Northeast 124th Street and Northeast 160th Street will close starting at 7:30 p.m. for grind and overlay work. The first lane will open by 5 a.m. and all lanes will be open by 6:30 a.m.
  • Saturday, May 2 to the morning of Sunday, May 3 – Up to three lanes of southbound I-405 between Northeast 85th Street and Northeast 70th Street will close starting at 7 p.m. for traffic shift work. One lane will open by 7 a.m. and all lanes will be open by 9 a.m.
  • Saturday, May 2 to the morning of Sunday, May 3 – Up to three lanes of northbound I-405 between Northeast 124th Street and Northeast 160th Street will close starting at 7 p.m. for grind and overlay work. The first lane will open by 8:30 a.m. and all lanes will be open by 10:30 a.m.

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

Last update: 1:45 p.m., 2/23
Mileposts: 13.68 - 14.85
Mark Sawyer, WSDOT Project Engineer, 425-225-8799
Get project information

  • This project is suspended until Spring 2015.