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SAN DIEGO – A man was killed Friday when police say he crashed his bicycle into the back of a city vehicle.

San Diego police said a 42-year-old man was riding his bike westbound in the 14500 block of Carmel Valley Road east of Black Mountain Road just before 10 a.m. Officers said he crashed into the back of a city storm water vehicle that was parked on the north curb line.

The bicyclist suffered major head trauma and died at the scene, police said. Detectives are now investigating the circumstances leading up to the crash. They have not yet released the bicyclist’s identity.

Anyone with information about the crash is asked to call the San Diego Police Department Traffic Division or Crime Stoppers at 888-580-8477.

Editor’s note: Police originally said they believed the bicyclist was going 45 to 50 miles per hour in the designated bicycle lane when he hit the parked vehicle. They revised their statement and took out that piece of information.