Accident High Severity Resolved

Injury crash — 4 injured, rear-end on I-15 S/B (ONTARIO FWY)

A high-severity accident was reported on I-15 S/B (ONTARIO FWY) near Rancho Cucamonga on August 30, 2026 at 5:35 AM. 2 parties involved, 4 injuries.

4 injured. Primary factor: VC 22350 UNSAFE SPEED FOR PREVAILING CONDITIONS. Near BASELINE RD..

Road

I-15 S/B (ONTARIO FWY)

Area

Rancho Cucamonga

Address

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Started

Aug 29, 10:35 PM

Last Updated

1 month, 3 weeks ago

Aug 29, 10:35 PM

Resolved

Aug 29, 10:35 PM

Coordinates

34.1143, -117.5228

Involved Parties 2 partys

Driver At Fault Female age 36

Vehicle

MERZ C300

Direction

Speed Limit

55 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Driver Female age 23

Vehicle

TOYT CAMRY

Direction

Speed Limit

55 mph

Movement

Proceeding Straight

Sobriety

Had Not Been Drinking

Injuries 4 persons

Driver F age 36

Possible Injury

Passenger M age 1 · PassengerMiddleLeft

Possible Injury

Driver F age 23

Possible Injury

Passenger M age 2 · PassengerMiddleRight

Possible Injury

Source: ccrs · ID ccrs-5308686 First seen Aug 29, 2026 10:35 PM

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