RoadworksMinor
Construction on 405 southbound
405 at milepost 9
...
Up to three lanes of southbound I-405 from 112th Avenue Southeast / Lake Washington Boulevard (milepost 9) to Northeast 44th Street (milepost 7.5) will be closed nightly, 10:30 p.m. Wednesday, Sept. 2 β 5:30 a.m. Friday, Sept. 4.
ReportedSeptember 2, 2026 at 12:00 AM PDTSeptember 4, 2026 at 10:30 PM PDT
Road
405
Source
WSDOT
Coordinates
47.55367, -122.19264
Roadworks details
Direction
S