Last update: Friday, May 23, 10:13 a.m.
Updates are posted frequently.
Before heading out the door, be sure you check your entire route for any construction activities that may delay your trip.
Use the list below to help plan your route and reach your destination.
This information changes frequently. Please check back often.
If you have questions or comments that are not addressed by these resources, please contact the I-405 Project Office at 425-456-8585.
Last update: 10:13 a.m., 5/24/13
Milepost: 13.5 to 30
Steve Peer, Public Information, 425-456-8624
Get project information
No construction Memorial Day weekend
Construction activities are not scheduled to occur between the afternoon of Friday, May 24 and the morning of Tuesday, May 28 in observance of Memorial Day.
Ramp Closures:
- Wednesday, May 29 to the morning of Thursday, May 30 – Crews will close the eastbound SR 520 off-ramp to southbound I-405 from 10 p.m. to 5 a.m.
- Wednesday, May 29 to the morning of Thursday, May 30 – Crews will close the Northeast 70th Street on-ramp to southbound I-405 from 8 p.m. to 6 a.m.
- Wednesday, May 29 to the morning of Thursday, May 30 – Crews will close the SR 527 off-ramp to southbound I-405 from 10 p.m. to 5 a.m.
- Wednesday, May 29 to the morning of Friday, May 31 – Crews will close the Northeast 128th Street on-ramp to northbound I-405 from midnight to 6 a.m. nightly.
- Saturday, June 1 to the morning of Sunday, June 2 – Crews will close the southbound I-405 off-ramp to Northeast 85th Street from 9 p.m. to 8 a.m.
- Saturday, June 1 to the morning of Sunday, June 2 – Crews will close the Northeast 85th Street on-ramp to southbound I-405 from 10 p.m. to 8 a.m.
Lane Closures:
- Tuesday, May 21 to the afternoon of Friday, May 24 – Crews will close one lane of northbound I-405 between Northeast 195th Street and SR 527 from 8 p.m. to noon nightly.
- Tuesday, May 28 to the morning of Wednesday, May 29 – Crews will close one lane of northbound I-405 between Southeast Eighth Street in Bellevue and SR 520 from 8 p.m. to 5 a.m.
- Tuesday, May 28 to the morning of Wednesday, May 29 – Crews will close one lane of southbound I-405 between SR 520 and Southeast Eighth Street in Bellevue from 8 p.m. to 5 a.m.
- Tuesday, May 28 to the morning of Wednesday, May 29 – Crews will close up to three lanes of northbound I-405 between Northeast 128th Street and SR 522 starting at 9 p.m. One lane will reopen by 5 a.m. and all lanes will be open by 11 a.m.
- Tuesday, May 28 to the morning of Wednesday, May 29 – Crews will close one lane of northbound I-405 between SR 527 and I-5 in Lynnwood from 9 p.m. to 6 a.m.
- Tuesday, May 28 to the morning of Wednesday, May 29 – Crews will close one lane of southbound I-405 between I-5 in Lynnwood and Northeast 195th Street from 8 p.m. to 5 a.m.
- Wednesday, May 29 to the morning of Thursday, May 30 – Crews will close one lane of southbound I-405 between SR 527 and Northeast 195th Street from 8 p.m. to 5 a.m.
- Wednesday, May 29 to the morning of Friday, May 31 – Crews will close up to two lanes of northbound I-405 between Southeast Eighth Street and Northeast Sixth Street from 8 p.m. to 5 a.m. nightly.
- Wednesday, May 29 to the morning of Friday, May 31 – Crews will close one lane of southbound I-405 between Northeast Sixth Street and Southeast Eighth Street in Bellevue from 8 p.m. to 5 a.m. nightly.
- Wednesday, May 29 to the morning of Friday, May 31 – Crews will close up to two lanes of southbound I-405 between SR 522 and Northeast 128th Street from 8 p.m. to 5 a.m. nightly.
- Wednesday, May 29 to the morning of Friday, May 31 – Crews will close up to two lanes of northbound I-405 between Northeast 128th Street and Northeast 160th Street nightly starting at 9 p.m. One lane will reopen by 6 a.m. and all lanes will be open by 11 a.m.
- Wednesday, May 29 to the afternoon of Friday, May 31 – Crews will close one lane of northbound I-405 between Northeast 195th Street and SR 527 from 8 p.m. to noon nightly.
- Thursday, May 30 to the morning of Friday, May 31 – Crews will close one lane of southbound I-405 between I-5 in Lynnwood and Northeast 195th Street from 8 p.m. to 5 a.m.
- Saturday, June 1 to the morning of Sunday, June 2 – Crews will close up to three lanes of southbound I-405 between Northeast 85th Street and Northeast 70th Street starting at 8 p.m. One lane will reopen by 5 a.m. and all lanes will be open by 9 a.m.
Last update: 1:30 p.m., 5/16/13
Mileposts: 12.84 to 13.55
Janice Fahning, Project Engineer, 425-225-8725
Get project information
- No work is scheduled that will affect traffic this week.
Last update: 10:13 a.m., 5/24/13
Milepost: 19.87
Steve Peer, Public Information, 425-456-8624
Get project information
- No work is scheduled that will affect traffic this week.
- There are no maintenance closures scheduled at this time.