One person died after a rollover crash on the northbound State Route 125.
The single car crash happened just after 2 a.m. in Chula Vista, north of Olympic Parkway, California Highway Patrol (CHP) officials said.
The car rolled over onto the side of the freeway and into brush, officers said.
At the time of the crash, no lanes were closed.
The cause of the crash is not known at this time.
