Michael Scott Rigsby, 47, of Brentwood, California, is being remembered following a fatal traffic collision on State Route 4 in Concord.
According to the California Highway Patrol, the crash occurred on Monday, September 21, 2026, at approximately 3:06 p.m. on westbound SR-4, just east of Port Chicago Highway.
The preliminary investigation indicates a motorcycle, a white Volkswagen Jetta and a brown Toyota Tundra were traveling westbound on the highway.
For reasons still under investigation, the Volkswagen collided with the motorcycle. Rigsby was ejected from the motorcycle and was subsequently struck by the Toyota Tundra.
Rigsby suffered fatal injuries and was pronounced deceased at the scene.
The Contra Costa County Sheriff-Coroner's Office later identified the motorcyclist as Michael Scott Rigsby, 47, of Brentwood.
The circumstances leading to the initial collision remain under investigation. Authorities have not released additional information regarding possible contributing factors.
The California Highway Patrol continues to investigate the crash.
