The man was found unresponsive inside the vehicle and was pronounced dead at the scene.

Boyle Heights, CA. – Cesar Ruiz, 38, has been identified as the man who died in a car crash early Saturday morning in Boyle Heights.
According to the California Highway Patrol, the accident happened around 12:57 a.m. on the transition from the northbound Golden State (5) Freeway to the eastbound San Bernardino (10) Freeway.
Ruiz was driving a pickup truck when he lost control and crashed into an overpass.
The man was found unresponsive inside the vehicle and was pronounced dead at the scene.
More details about the accident were not released