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I-405 - Construction Updates

Last update: 4:35 p.m. Friday, March 6, 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: Coal Creek Parkway Southbound Ramp Meter Installation

Last update: 4:35 p.m., 3/6
Milepost: 10.18
Mark Sawyer, WSDOT Project Engineer, 425-225-8799

  • Monday, March 9 to the morning of Friday, March 13 – The Coal Creek Parkway on-ramp to southbound I-405 will be closed from 9 p.m. to 5 a.m. nightly for electrical work. A signed detour to Southeast 8th Street will be set up.

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

Last update: 4:35 p.m., 3/6
Mileposts: 13.5 - 30
Steve Peer, Public Information, 425-456-8624
Get project information

BLT map

Ramp Closures:

Bellevue area

  • Monday, March 9 to the morning of Friday, March 13 – The eastbound and westbound SR 520 ramps to northbound I-405 will close from 10 p.m. to 4 a.m. nightly for guardrail installation.

Bothell area

  • Monday, March 9 to the morning of Friday, March 13 – The eastbound and westbound SR 522 ramps to southbound I-405 will close from 10 p.m. to 5 a.m. nightly for roadway excavation work.
  • Monday, March 9 to the morning of Friday, March 13 – The northbound I-405 ramp to SR 522 will close from 9 p.m. to 6 a.m. nightly for drainage and backfill work. 

Kirkland area  

  • Monday, March 9 to the morning of Friday, March 13 – The northbound I-405 off-ramp to Northeast 70th Street will close from 9 p.m. to 6 a.m. nightly for roadway excavation work. This ramp will not close if the Northeast 85th to northbound I-405 on-ramp closes.
  • Monday, March 9 to the morning of Friday, March 13 – The Northeast 70th Street on-ramp to northbound I-405 will close from 9 p.m. to 6 a.m. nightly for roadway excavation, grading and noise wall construction work.
  • Monday, March 9 to the morning of Friday, March 13 – The northbound I-405 off-ramp to Northeast 85th Street will close from 10 p.m. to 6 a.m. nightly for roadway excavation, drainage and noise wall construction work.
  • Monday, March 9 to the morning of Wednesday, March 11 – The northbound I-405 off-ramp to Northeast 128th Street will close from midnight to 4:50 a.m. nightly for tolling work.
  • Monday, March 9 to the morning of Friday, March 13 – The southbound I-405 off-ramp to Northeast 128th Street will close from 8 p.m. to 4:50 a.m. nightly for tolling, roadway excavation and tolling work.
  • Monday, March 9 to the morning of Friday, March 13 – The Northeast 160th Street on-ramp to northbound I-405 will close from 10 p.m. to 6 a.m. nightly for noise wall construction.
  • Monday, March 9 to the morning of Friday, March 13 – The southbound I-405 off-ramp to Northeast 160th Street will close from 11 p.m. to 5 a.m. nightly for roadway excavation work.
  • Wednesday, March 11 to the morning of Thursday, March 12 – The Northeast 128th Street on-ramp to southbound I-405 will close from 8 p.m. to 4:50 a.m. tolling work.
  • Saturday, March 14 to the morning of Sunday, March 15 – The northbound I-405 off-ramp to Northeast 85th Street will close from 10 p.m. to 6 a.m. for noise wall construction work.

Lane Closures:

Bellevue area

  • No closures at this time

Bothell/Lynnwood area

  • Monday, March 9 to the morning of Friday, March 13 – 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 noise wall construction.
  • Monday, March 9 to the morning of Friday, March 13 – 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 roadway excavation work.
  • Tuesday, March 10 to the morning of Wednesday, March 11 – Up to two lanes of southbound I-405 between Northeast 160th Street and Northeast 124th Street will close from 7 p.m. to 5 a.m. for tolling work.

Kirkland area

  • Monday, March 9 to the morning of Friday, March 13 – One lane of northbound I-405 between Northeast 70th Street and Northeast 85th Street will close from 8 p.m. to 7 a.m. nightly for roadway excavation and drainage work.
  • Monday, March 9 to the morning of Friday, March 13 – 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 tolling and cabinet work.
  • Monday, March 9 to the morning of Tuesday, March 10 – Up to two lanes of northbound I-405 between Northeast 70th Street and Northeast 85th Street will close from 8 p.m. to 5 a.m. for tolling work.
  • Monday, March 9 to the morning of Wednesday, March 11 – One lane of northbound I-405 between Northeast 124th Street Northeast 160th Street will close from 7:30 p.m. to 7 a.m. nightly for tolling work.
  • Thursday, March 12 to the morning of Friday, March 13 – 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. for tolling work.

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.