RoadworksMinor
Construction on 405 southbound
405 at milepost 12
...
Up to two lanes of southbound I-405 from milepost 12 to Coal Creek Parkway Southeast (milepost 10) will be closed overnight, 9 p.m. Thursday, Sept. 3 β 5 a.m. Friday, Sept. 4.
ReportedAugust 3, 2026 at 12:00 AM PDTSeptember 4, 2026 at 05:00 AM PDT
Road
405
Source
WSDOT
Coordinates
47.59189, -122.18128
Roadworks details
Direction
S