SR 9 near Kalloch Road (MP 59) will remain reduced to a single lane with alternating traffic for 42 days until Sept. 14, 2026, for fish passage construction. The closure began on Aug. 3 and affects both northbound and southbound lanes.
WSDOT states the work aims to improve fish habitat by modifying creek crossings. Drivers should expect delays while crews install infrastructure. The project webpage provides more details on the SR 9 fish passage initiative.
The closure will continue until Sept. 14, 2026, with alternating traffic from 10 a.m. to 4 p.m. Mondays through Thursdays through Sept. 3, then daily until the project completion date.