Last update: Tuesday, May 21, 4:44 p.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: 8:52 a.m., 5/21/13
Milepost: 13.5 to 30
Steve Peer, Public Information, 425-456-8624
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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:
- Monday, May 20 to the morning of Wednesday, May 22 – Crews will close the eastbound SR 520 off-ramp to southbound I-405 from 10 p.m. to 5 a.m. nightly.
- Wednesday, May 22 to the morning of Friday, May 24 – Crews will close the southbound I-405 off-ramp to Northeast Sixth Street in Bellevue from 11 p.m. to 5 a.m. nightly.
- Thursday, May 23 to the morning of Friday, May 24 – Crews will close the Northeast 195th Street on-ramp to northbound I-405 from 9 p.m. to 7 a.m.
Lane Closures:
- Monday, May 20 to the morning of Wednesday, May 22 – Crews will close one lane of southbound I-405 between SR 520 and Northeast Sixth Street in Bellevue from 8 p.m. to 5 a.m. nightly.
- Monday, May 20 to the morning of Friday, May 24 – Crews will close up to two lanes of northbound I-405 between Northeast 128th Street and Northeast 160th Street between 9 p.m. and 6 a.m. nightly.
- Monday, May 20 to the morning of Friday, May 24 – 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. nightly.
- 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.
- Wednesday, May 22 to the morning of Friday, May 24 – 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 22 to the morning of Friday, May 24 – Crews will close one lane of southbound I-405 between SR 520 and Northeast Sixth Street in Bellevue from 8 p.m. to 5 a.m. nightly.
Last update: 1:30 p.m., 5/16/13
Mileposts: 12.84 to 13.55
Janice Fahning, Project Engineer, 425-225-8725
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- No work is scheduled that will affect traffic this week.
Last update: 11:36 a.m., 5/16/13
Milepost: 19.87
Steve Peer, Public Information, 425-456-8624
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- Sunday, May 19 to the morning of Friday, May 24 - Crews will close up to two lanes near the intersection of Northeast 116th Street and 120th Avenue Northeast from 10 p.m. to 5 a.m. nightly. Crews will work in different parts of this intersection at different times, setting up work zones both on Northeast 116th Street and 120th Avenue Northeast. However, at any given time, one lane will remain open in all directions of both Northeast 116th Street and 120th Avenue Northeast.
Last update: 4:42 p.m., 5/21/13
Milepost: 10.65
John Stecher, WSDOT maintenance, 206-949-8996
- Wednesday, May 22 - Crews will close the southbound I-405 HOV lane at the westbound I-90 interchange from 9 a.m. to 1 p.m. for maintenance work.