Fontana, CA – Authorities Investigating Fatal Motorcycle Collision at San Bernardino and Alder Avenues

The incident took place around 11:50 p.m. at San Bernardino Avenue and Alder Avenue.

Fontana Motorcycle Accident
1 Killed in Motorcycle Collision at San Bernardino and Alder Avenues in Fontana

Fontana, CA – A Monday night motorcycle collision at a Fontana intersection left one person dead, according to the California Highway Patrol.

The incident took place around 11:50 p.m. at San Bernardino Avenue and Alder Avenue.

A motorcycle and another unknown vehicle were involved in the accident.

Fontana police and firefighters responded to the scene.

One person was killed in the crash, the report said.

No other details were available, but an investigation is ongoing.

California is maintaining a gradual downward trend in motorcycle fatalities, following a broader statewide decline in traffic deaths. According to 2024–2025 OTS and SafeTREC data, the state recorded approximately 565 motorcycle deaths in 2024 (a 3% decrease from 2023). Preliminary estimates for 2025 suggest a further slight dip to around 550 fatalities. Despite these improvements, motorcyclists remain disproportionately at risk, accounting for roughly 15% of all traffic deaths while representing only 3% of registered vehicles. Nationally, riders are 28 times more likely to die in a crash per mile traveled than passenger car occupants.

The primary crash factors identified in 2026 reports include unsafe speed (29.5%), right-of-way violations (18.7%), and improper left-hand turns (17.4%). Notably, broadside hits account for 27% of fatal and serious injury (FSI) incidents.

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