A rockslide has forced the closure of Highway 41 in both directions between Highway 46 and Highway 33 on Sunday night.
The slide was reported shortly before 9 p.m. in the northbound lanes near Highway 46 in Cholame.
At least one collision was reported due to the incident, according to CHP, which also stated heavy rocks and a "major" rockslide were blocking the northbound lanes.
CHP estimated the highway will reopen at around 8 a.m. Monday.
Northbound traffic was being detoured to Highway 46 and rerouted to Highway 33.