Motorists should expect delays and allow extra time for traveling through Topanga Canyon or use alternative routes if possible.
Live power lines were down in the roadway when the crash occurred, prompting a SigAlert.
About four to five vehicles were stuck in mud and drivers had to be rescued but no one was injured, according to reports from the scene.
The crash occurred a mile north of Pacific Coast Highway about 9:30 a.m., according to the California Highway Patrol.
It was not immediately clear if anyone was injured or any vehicles were damaged in the incident on Pacific Coast Highway.
Drivers should expect delays and use alternate routes if possible. (BREAKING)