RoadworksModerate
Maintenance on 405 southbound
405 at milepost 15.8
...
The left two lanes of southbound I-405 will close from 9 p.m. Wednesday, Oct. 21, to 5 a.m. Thursday, Oct. 22, near Northeast 40th Street (milepost 16-15) for maintenance.
ReportedOctober 16, 2026 at 10:35 AM PDTOctober 22, 2026 at 05:00 AM PDT
Road
405
Source
WSDOT
Coordinates
47.64594, -122.18712
Roadworks details
Direction
S