RoadworksMinor
Construction on 405 southbound
405 at milepost 6
...
Up to two lanes of southbound I-405 from milepost 6 to milepost 3.15 will be closed nightly, 10:30 p.m. Wednesday, Sept. 2 β 4:45 a.m. Friday, Sept. 4.
ReportedSeptember 2, 2026 at 12:00 AM PDTSeptember 4, 2026 at 04:45 AM PDT
Road
405
Source
WSDOT
Coordinates
47.51103, -122.19826
Roadworks details
Direction
S