Updated: Jul 29, 2025
The ongoing closures allow Army Corps, utilities to complete work during daytime hours, weekends
Malibu — Caltrans announces updated hours for single-lane closures at various points on Pacific Coast Highway between Topanga Canyon Boulevard and Las Flores Canyon Road through late September for fire and storms recovery work.
The U.S. Army Corps of Engineers is clearing properties on a stretch of PCH south of Las Flores Canyon Road through Aug. 3.
Southern California Edison began work this week on PCH between Topanga Canyon Boulevard and Big Rock Drive. This is expected to last about two months.
For the safety of workers and the traveling public, southbound PCH will be reduced to one lane between 9 a.m. and 5 p.m. on weekdays at both locations. Northbound PCH will be reduced to one lane between 5 a.m. and 3 p.m. on weekdays between Topanga Canyon Boulevard and Big Rock Drive, and 7 a.m. to 3 p.m. weekdays south of Las Flores Canyon Road.
On weekends, the stretch of PCH south of Las Flores Canyon will be reduced to one lane between 5 a.m. and 5 p.m. in both directions for USACE work.
Caltrans reminds the public that the speed limit is 25 mph in this area of PCH and traffic fines can be doubled in a work zone. Drivers should use caution in the area and slow down and be alert for workers.
The section of PCH from Santa Monica to Malibu reopened to the motoring public on May 23 and remains an active work zone as Caltrans, USACE and various contractors complete recovery work. PCH had been closed for five months following the Palisades Fire and winter storms that brought flooding and debris flows to the area.
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