Investigators have identified the San Diego woman killed Saturday in a head-on collision in 4S Ranch.
The fatal crash happened at 11:48 p.m. on Camino Del Norte just east of Camino San Bernardo, California Highway Patrol officers said.
A Toyota Sienna was traveling east on a westbound street when it crashed head-on into an oncoming Toyota Corolla, officers said.
The Corolla driver suffered fatal injuries and was pronounced dead at the scene. She has been identified as Sarita Shakya, 38, of San Diego.
The Sienna driver, Alexandria Bayne, 34, suffered major injuries, CHP officers said. Bayne was arrested on suspicion of driving under the influence causing injury as well as vehicular manslaughter while intoxicated.
No further information was available.