A pickup driver crashed into a utility pole, bringing power lines onto the road and forcing the closure of Highway 118 in Moorpark.
The pickup ended up on its side off the two-lane road near East Los Angeles Road. The location is just north of the 101 Freeway near Camarillo.
Traffic was backing up in the area. Road crews are directing traffic around the closure as utility crews make repairs.
The driver was taken into custody on suspicion of DUI.