RoadworksMinor
Construction on 405 northbound
405 at milepost 11.5
...
Up to four lanes of northbound I-405 from milepost 11.5 to milepost 13.7 will be closed nightly, 9:30 p.m. Monday, Aug. 31 β 4:30 a.m. Friday, Sept. 4.
ReportedAugust 31, 2026 at 12:00 AM PDTSeptember 4, 2026 at 04:30 AM PDT
Road
405
Source
WSDOT
Coordinates
47.58540, -122.17788
Roadworks details
Direction
N