RoadworksModerate
Maintenance on 405 southbound
405 at milepost 21.7
...
The left two lanes of southbound I-405 will close from 9 p.m. Tuesday, Oct. 20, to 5 a.m. Wednesday, Oct. 21, near Northeast 160th Street (milepost 23-22) for maintenance.
ReportedOctober 16, 2026 at 10:31 AM PDTOctober 21, 2026 at 05:00 AM PDT
Road
405
Source
WSDOT
Coordinates
47.72954, -122.18901
Roadworks details
Direction
S