I-405 and 522 Closures 11/7-11/10
People traveling on the Eastside should plan for a full closure of southbound Interstate 405 in Bellevue from Nov. 7-10 and full closures on eastbound and westbound State Route 522 in Bothell from Nov. 7-9.
Crews will be excavating drainage crossings, completing full pavement replacements, and completing a traffic switch on southbound I-405, as part of the I-405/Renton to Bellevue Widening and Express Toll Lanes Project. Crews will also be installing two new traffic signals on SR 522 in Bothell, as part of the I-405/Brickyard to SR 527 Improvement Project.
Southbound I-405 full closure details
Southbound I-405 in Renton will be closed from Coal Creek Parkway Southeast to Northeast 30th Street starting 11:30 p.m. Friday, Nov. 7 to 4 a.m. Monday, Nov. 10. A signed detour route will be in place.
The following ramps will be closed:
- Coal Creek Parkway Southeast on-ramp to southbound I-405
- Southbound I-405 Lake Washington Boulevard/Newcastle on-/off-ramps (Exit 9)
- Southbound I-405 Northeast 44th Street on-/off-ramps (Exit 7)
- Southbound I-405 off-ramp to Northeast 30th Street (Exit 6)
The Northeast 30th Street on-ramp to southbound I-405 will remain open.
Up to two lanes on southbound I-405 in Kirkland will also be closed overnight from 10 p.m. Friday, Nov. 7, to 6 a.m. Saturday, Nov. 8 for crews to pour the foundation for retaining walls.
SR 522 overnight full closure details
SR 522 will have consecutive overnight closures in Bothell from Friday, Nov. 7, to Sunday, Nov. 9, to install two new traffic signals. This work is not weather-dependent.
Eastbound SR 522 at I-405 will close starting at 11 p.m. Friday, Nov. 7, to 4 a.m. Saturday, Nov. 8. Expect rolling slowdowns on westbound SR 522 during this time.
Next, beginning Saturday night, Nov. 8, and Sunday night, Nov. 9, both eastbound and westbound SR 522 at I-405 will close at 11 p.m. All lanes will reopen by 4 a.m. the following morning.
The following ramps may also close overnight:
- Southbound I-405 off-ramp to eastbound SR 522
- Eastbound SR 522 on-ramp to northbound I-405
During the full directional closures, a signed detour route for eastbound SR 522 traffic and a signed detour route for westbound SR 522 traffic will be in place.
Stay informed
People are advised of additional regional closures:
- Eastbound I-90 will be closed from Rainier Avenue South to 76th Avenue Southeast beginning 10 p.m. Friday, Nov. 7 to 6 a.m. Saturday, Nov. 8.
Detour routes cannot accommodate normal I-405 traffic volume, so people traveling in the area are advised to “know before you go,” travel during off-peak hours or, if possible, delay discretionary travel to help minimize backups.
Work is dependent on good weather and may be rescheduled. Schedule updates will be available on the project webpage, WSDOT’s Travel Center map, the WSDOT mobile app and by signing up for King County email updates.