fbpx

Simi Valley Motorcycle Crash Kills Elderly Rider

SIMI VALLEY, CA (July 16, 2021) – Authorities identified the body of Keith Sanbonmatsu as the victim in the Simi Valley motorcycle accident.

The incident happened around 1:15 p.m., at First Street and Los Angeles Avenue, said Simi Valley Police.

According to reports, Sanbonmatsu rode directly into the path of an SUV while traveling northbound on First Street. The driver of the SUV was described as a 17-year-old girl from Simi Valley.

As a result of the impact, Sanbonmatsu suffered critical injuries. Paramedics transported him to Los Robles Regional Medical Center in Thousand Oaks. There, he was pronounced dead around 8:30 p.m.

Later on, the Ventura County Medical Examiner’s Office identified the rider as 69-year-old Keith Sanbonmatsu of Arroyo.

Neither speed nor DUI were considered factors in the crash, which remains under active investigation. Once available, more details will be given.


No words can mend the broken hearts and sorrow felt during this delicate moment. Our deepest condolences and sympathies are with the family and friends of Keith Sanbonmatsu.


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 a police report, click here.

For more accident news, click here.

LA Weekly