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I-405 - Construction Updates

Last update: 12:32 p.m. Friday, May 22, 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: 9:22 a.m., 5/22
Mileposts: 13.5 - 30
Steve Peer, Public Information, 425-456-8624
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Ramp Closures:

Bellevue area

  • Tuesday, May 26 to the morning of Friday, May 29 – The Northeast Eighth Street on-ramp to northbound I-405 will close nightly from 11 p.m. to 5 a.m. nightly for electrical work.
  • Tuesday, May 26 to the morning of Friday, May 29 – The southbound I-405 ramp to westbound SR 520 will close from 11 p.m. to 4 a.m. nightly for electrical work.
  • Tuesday, May 26 to the morning of Friday, May 29 – The northbound I-405 ramp to eastbound SR 520 will close from 11 p.m. to 4 a.m. nightly for electrical work.
  • Tuesday, May 26 to the morning of Friday, May 29 – The northbound I-405 ramp to westbound SR 520 will close from 11 p.m. to 4 a.m. nightly for electrical work.
  • Saturday, May 30 to the morning of Sunday, May 31 – The Northeast Fourth Street on-ramp to northbound I-405 will close from midnight to 7 a.m. for traffic shift work.
  • Saturday, May 30 to the morning of Sunday, May 31 – The northbound I-405 off-ramp to Northeast Fourth/Eighth Street will close from midnight to 7 a.m. for traffic shift work.
  • Saturday, May 30 to the morning of Sunday, May 31 – The Northeast Eighth Street on-ramp to northbound I-405 will close from midnight to 7 a.m. for traffic shift work.
  • Saturday, May 30 to the morning of Sunday, May 31 – The Southeast Eighth Street on-ramp to northbound I-405 will close from midnight to 7 a.m. for traffic shift work.
  • Saturday, May 30 to the morning of Sunday, May 31 – The northbound I-405 ramp to eastbound and westbound SR 520 will close from midnight to 7 a.m. for traffic shift work.

Bothell area

  • Tuesday, May 26 to the morning of Friday, May 29 – The eastbound and westbound SR 522 ramps to southbound I-405 will close nightly from 10 p.m. to 5 a.m. for paving work. This work is weather dependent.
  • Tuesday, May 26 to the morning of Friday, May 29 – The southbound I-405 off-ramp to Northeast 195th Street will close nightly from 11 p.m. to 5 a.m. nightly for lane striping work. This work is weather and temperature dependent.
  • Saturday, May 30 to the morning of Sunday, May 31 – The southbound I-405 off-ramp to Northeast 195th Street will close from 11 p.m. to 8 a.m. for striping work.
  • Saturday, May 30 to the morning of Sunday, May 31 – The northbound I-405 ramp to SR 527 will close from 11 p.m. to 8 a.m. for striping work.

 Kirkland area  

  • Tuesday, May 26 to the morning of Friday, May 29 – The Northeast 70th Street on-ramp to northbound I-405 will close nightly from 9 p.m. to 6 a.m. nightly for paving work. This work is weather dependent.
  • Tuesday, May 26 to the morning of Friday, May 29 – The northbound I-405 off-ramp to Northeast 70th Street will close nightly from 9 p.m. to 6 a.m. nightly for paving work. This work is weather dependent.
  • Tuesday, May 26 to the morning of Friday, May 29 – The Northeast 70th Street on-ramp to southbound I-405 will close nightly from 8 p.m. to 6 a.m. nightly for paving work. This work is weather dependent.
  • Tuesday, May 26 to the morning of Friday, May 29 – The northbound I-405 off-ramp to Northeast 85th Street will close from 10 p.m. to 6 a.m. nightly for electrical and paving work. This work is weather dependent.
  • Tuesday, May 26 to the morning of Friday, May 29 – The Northeast 85th Street on-ramp to southbound I-405 will close from 10 p.m. to 6 a.m. nightly for electrical work. 
  • Tuesday, May 26 to the morning of Friday, May 29 – The Northeast 85th Street on-ramp to northbound I-405 will close from 10 p.m. to 6 a.m. nightly for electrical and paving work. This work is weather dependent.
  • Tuesday, May 26 to the morning of Friday, May 29 – The southbound I-405 off-ramp to Northeast 85th Street will close from 9 p.m. to 6 a.m. nightly for electrical work. This work is weather dependent.
  • Tuesday, May 26 to the morning of Friday, May 29 – The northbound I-405 off-ramp to Northeast 160th Street will close nightly from 11 p.m. to 6 a.m. nightly for noise wall panel installation and lighting work.
  • Tuesday, May 26 to the morning of Friday, May 29 – The Northeast 160th Street on-ramp to northbound I-405 will close nightly from 10 p.m. to 6 a.m. nightly for noise wall panel installation work.
  • Tuesday, May 26 to the morning of Friday, May 29 – The Northeast 160th Street on-ramp to southbound I-405 will close nightly from 8 p.m. to 5 a.m. nightly for electrical work.
  • Tuesday, May 26 to the morning of Friday, May 29 – The southbound I-405 off-ramp to Northeast 160th Street will close nightly from 11 p.m. to 5 a.m. nightly for paving work. This work is weather dependent.

Lane Closures:

Bellevue area

  • Tuesday, May 26 to the morning of Friday, May 29 – Up to two lanes of northbound I-405 between Southeast Eighth Street and SR 520 will close starting at 8:00 p.m. for traffic shift and shot blast abrasion. All lanes will be open by 5:00 a.m.
  • Tuesday, May 26 to the morning of Friday, May 29 – Up to three lanes of southbound I-405 between Northeast 70th Street and SR 520 will close starting at 8 p.m. nightly for electrical work. The first lane will open at 6 a.m. and all lanes will be open by 7 a.m. This work is weather dependent.
  • Tuesday, May 26 to the morning of Friday, May 29 – Up to three lanes of northbound I-405 between SR 520 and Northeast 70th Street will close starting at 8 p.m. nightly for paving work. The first lane will open at 5 a.m. and all lanes will be open by 6 a.m. This work is weather dependent.
  • Saturday, May 30 to the afternoon of Sunday, May 31 – Up to three lanes of northbound I-405 between Southeast Eighth Street and SR 520 will close starting at 7 p.m. for traffic shift and shot blast abrasion work. The first lane will open by 8 a.m. and all lanes will be open by noon.

Bothell/Lynnwood area

  • Tuesday, May 26 to the morning of Friday, May 29 – Up to two lanes of northbound I-405 between SR 522 and Northeast 195th Street will close nightly starting at 7:30 p.m. for striping work. The first lane will open at 5 a.m. and all lanes will be open by 6:30 a.m. This work is weather and temperature dependent.
  • Tuesday, May 26 to the morning of Friday, May 29 – Up to two lanes of southbound I-405 between Northeast 195th Street and SR 522 and will close nightly starting at 7:00 p.m. for striping work. All lanes will be open by 5 a.m. This work is weather and temperature dependent.

Kirkland area

  • Tuesday, May 26 to the morning of Friday, May 29 – One lane of southbound I-405 between SR 522 and Northeast 160th Street will close from 7 p.m. to 5 a.m. for paving work. This work is weather dependent.

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

Last update: 12:32 p.m., 5/22
Mileposts: 13.68 - 14.85
Mark Sawyer, WSDOT Project Engineer, 425-225-8799
Get project information

  • Tuesday, May 26, to the morning of Friday, May 29 - Up to three right lanes of southbound I-405 from SR 520 to Southeast 8th Street will be closed from 8 p.m. to 5 a.m. nightly for permanent lane striping work.
  • Tuesday, May 26, to the morning of Friday, May 29 - The eastbound and westbound SR 520 on-ramps to southbound I-405 will be closed from 10 p.m. to 5 a.m. nightly for permanent lane striping work.
  • Tuesday, May 26, to the morning of Friday, May 29 - The southbound I-405 ramps to and from Northeast 8th Street will be closed from 10 p.m. to 5 a.m. nightly for permanent lane striping work.
  • Tuesday, May 26, to the morning of Friday, May 29 - The southbound I-405 off-ramp to Southeast 8th Street will be closed from 10 p.m. to 5 a.m. nightly for permanent lane striping work.