[09-21-2026] Contra Costa County, CA – Motorcyclist Killed in Multi-Vehicle Collision in Concord

A motorcyclist was killed in a three-vehicle collision on Highway 4 in Concord on Monday afternoon, September 21, 2026.

According to the California Highway Patrol, the crash occurred at around 3:06 p.m. on westbound Highway 4, east of Port Chicago Highway.

CHP said the collision involved a motorcycle, a truck, and a sedan. The motorcyclist was ejected from the motorcycle and pronounced dead at the scene.

Authorities said the motorcyclist was wearing a helmet at the time of the crash. The drivers of the truck and sedan were wearing seat belts.

Authorities have not yet determined what caused the collision. The investigation remains ongoing.

How Motorcycle Accident Lawyers Can Help

Motorcycle accidents on busy highways can have devastating consequences, especially when multiple vehicles are involved. When a rider loses their life, surviving family members may benefit from learning about their legal rights and the options that may be available to them.

Motorcycle accident lawyers can help families by reviewing the CHP report, speaking with witnesses, and working to piece together the sequence of events between each vehicle. They may also examine vehicle damage and other evidence to help determine which parties, if any, may share responsibility. Lawyers can also help loved ones seek compensation for funeral and burial costs, loss of financial support, loss of companionship, and other damages where applicable.

Call (888) 488-1391 or complete our “Do I Have A Case?” form to schedule a free initial consultation.

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