Los Angeles County Waterworks District No. 29 will close the number two southbound lane north of Decker Canyon in Malibu this week.
The district will be working on damaged asphalt from a previous water main break, according to the city of Malibu.
Work will be conducted from 9 a.m. to 3 p.m. March 19 to 21. The lane closure extends from 33730 Pacific Coast Highway to 33500 Pacific Coast Highway.
Drivers are asked to use caution when driving through the work area.