Highway 46 just east of Highway 41 in northern San Luis Obispo County was blocked by a semi truck Monday morning.
According to the California Highway Patrol, the truck driver was apparently attempting to make a U-turn on the highway and became stuck.
One-way traffic control was in place while work was underway to remove the vehicle.
It happened at about 9:50 a.m. and was reportedly cleared by 10:30 a.m.