William Detore, 46, sustained fatal injuries in a Sacramento bicycle accident after his bicycle got caught under a Regional Transit bus.

Sandra Arlia, a 66-year-old woman, is being arrested on suspicion of vehicular manslaughter in connection with a fatal San Francisco car accident.

Christopher Alan Winkel, 26, was killed in an Orange County, California bicycle accident the afternoon of November 7, 2009, The Orange County reports.

A bicyclist was injured in an California car accident after he was hit by a Toyota Corolla the morning of October 15, 2009, The Orange County Register reports.

A 26-year-old woman was hospitalized with injuries in an Orange County car accident the morning of September 20, 2009.

A cyclist was seriously injured in a Portland car accident over the weekend. The Oregonian reported that the car accident took place on Sept. 18 in Southwest Portland.

Charles Cosgrove, 53, was killed in a Los Angeles car accident the night of August 31, 2009 after his bicycle was struck by a car at a street intersection in Duarte, California.

Marcos Jimenez, 40, was killed in a San Bernardino motorcycle accident the night of August 29, 2009 in Ontario, California.

One cyclist was killed while another was injured in separate bicycle accidents in Portland last week. Both collisions occurred on Northeast 22nd Avenue.

A 59-year-old man was severely injured on his bicycle last July 27, 2009 in a California car accident outside Ojai, California.