Rancho Cucamonga, CA – One Hospitalized Following Multi-Vehicle Crash on I-15 Freeway Near Summit Ave

Rancho Cucamonga, CA (April 09, 2025) – A multi-vehicle collision on the southbound side of Interstate 15 left one person injured Wednesday afternoon near the Summit Ave exit, according to the California Highway Patrol.

The crash occurred around 4:08 p.m. on April 9, prompting a swift response from emergency medical services and CHP officers. At least one person sustained injuries requiring transport to a nearby hospital for treatment. The extent of the injuries has not been confirmed, but authorities noted they were serious enough to warrant immediate care.

Officials reported that the crash involved at least two vehicles, though the makes and models of the vehicles and additional details remain under investigation. Traffic along I-15 experienced delays as emergency crews cleared debris and assessed the scene.

The cause of the accident has not yet been determined. Investigators are reviewing evidence and speaking with witnesses to piece together the sequence of events.