51-Year-Old Man Killed in Motorcycle Accident on State Route 57

DIAMOND BAR, CA (August 24, 2021) An unidentified man died Saturday morning after a motorcycle accident on State Route 57 in Diamond Bar. 

The crash happened just around 2:00 a.m. August 21, on State Route 57.

According to reports, a 51-year-old Man driving a Harley-Davidson on State Route 57 failed to pass a truck on the highway.

As a result, the rider collided with the rear of the truck, causing the motorcycle to lose control and crashed into a k-rail.

Responding officers arrived at the scene and determined that the rider had died as a result of his injuries.

At this time, authorities said no other injuries were reported in the motorcycle accident on State Route 57.

Call the Los Angeles County Coroner’s Office at 323-343-0512 and reference case number 2021-09589 for more information on the deceased.

Moreover, CHP ask anyone with information about the accident to contact Officer N. Munoz at 626-338-1164.


Our deepest condolences and sympathies are with the family and friends of the deceased victim.


Losing a loved one in a motorcycle accident is always a traumatic experience for those left behind. Reach out to Sweet James and let them help you with the legalities of your situation during this trying time. They commit their extensive experience in the legal field to provide a high quality of representation to each of their clients. Call them today at (800) 975-3435 to arrange a free and confidential case evaluation with an expert legal professional in your area. You can also reach them 24 hours a day and 7 days a week through email, text, and online chat. To request for a police report, click here.

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