A man died after his motorcycle hit a tractor-trailer in Diamond Bar early Saturday morning, according to the California Highway Patrol.
The motorcyclist, a 51-year-old man from Bullhead City, Arizona, whose name has not yet been released, was driving a Harley-Davidson on State Route 57 when he attempted to pass the truck shortly after 2 a.m., according to CHP.
During the pass attempt, the bike collided with the rear of the truck, causing the motorcycle to “travel out of control,” according to a CHP report on the incident.
The unnamed motorcycle driver crashed into a k-rail and “succumbed to his injuries at the scene of the collision,” the report added.
The driver of the tractor-trailer was not injured.
For information on the deceased, call the Los Angeles County Coroner’s Office at 323-343-0512 and reference case number 2021-09589.
Anyone with more information on the collision is asked to call CHP Officer N. Munoz at 626-338-1164.