Rancho Cucamonga, CA (September 5, 2025) – A four-car accident on Interstate 10 close to Archibald Ave resulted in at least one injury on Thursday afternoon, as reported by the California Highway Patrol. The incident took place around 1:10 p.m. on the eastbound lane of the I-10 Freeway, which is a busy route running through San Bernardino County. Officials stated that the collision involved four cars, but the exact order of events leading to the accident is still not known. Emergency teams, including those from the Rancho Cucamonga Fire District and paramedics, arrived at the scene to assist the injured. One person was injured in the accident and was taken to a local hospital for additional assessment and care. Details regarding the severity of the injuries and the name of the victim remain undisclosed. The event resulted in brief traffic disruptions while law enforcement and cleanup teams managed the debris and evaluated the circumstances. After the initial response, all lanes were finally cleared for traffic. The CHP is still looking into what may have caused the accident, considering factors such as speed, road conditions, or driver mistakes. We are sending our best wishes to the injured individual for a quick and complete recovery. Multi-Vehicle Collisions in California. The incident on Thursday in Rancho Cucamonga highlights the rapidity with which multi-car accidents can happen on the heavily trafficked highways of Southern California. Interstate 10 serves as an essential connection for commuters and freight between the Inland Empire and Los Angeles, among other key locations, and it often faces heavy traffic, especially in the late morning and afternoon. Crashes involving four vehicles, such as the recent incident near Archibald Ave, typically result from chain-reaction scenarios, where a brief lapse in concentration or abrupt braking by one driver can trigger a series of collisions.