SAN DIEGO (CBS 8) - A single-car accident left a vehicle balanced precariously on a guardrail with the driver trapped inside in Loma Portal.
It happened at about 12:30 a.m. on the onramp from Balboa Avenue to Interstate 805.
Rescuers had trouble getting the driver out of the BMW because of how it landed and where he was positioned inside the car.
First responders say excessive speed and alcohol may be to blame.
The driver's identity and condition have not been released at this time.