RoadworksMinor
Construction on 405 northbound
405 at milepost 17.44
...
Monday, August 31 to the morning of Friday, September 4: The 70th place onramp to northbound I-405 will be closed, nightly from 11 p.m. - 5 a.m
ReportedAugust 31, 2026 at 12:00 AM PDTSeptember 4, 2026 at 05:00 AM PDT
Road
405
Source
WSDOT
Coordinates
47.66966, -122.18682
Roadworks details
Direction
N