I-405 will see multiple lane closures from Monday through Monday, including northbound lanes from milepost 0 to 1.5 and southbound HOV lane from milepost 1 to 0. These closures occur nightly from 9 p.m. to 5 a.m. through August 28.
SR 20 near Loup Loup Pass will have alternating one-lane traffic Mondays through Thursdays until August 27. SR 9 near Kalloch Road will have alternating traffic through September 14 for fish passage construction. SR 211 will have a single lane closure on August 25.