By Crash News Writer 
Rancho Cucamonga, CA (September 6, 2025) – A tragic multi-vehicle collision claimed the life of 28-year-old Karina L. Abarca of Garden Grove on Tuesday night in Rancho Cucamonga.
According to the California Highway Patrol, the deadly accident occurred at approximately 10:12 p.m. on September 2 along Interstate 15 near Foothill Boulevard. Emergency personnel responded to the scene and discovered a silver sedan partially lodged beneath the rear of a semi-truck trailer.
At least two additional vehicles were involved in the incident. The exact sequence of events leading up to the crash has not yet been determined, and authorities continue to investigate.
Abarca, the driver of the silver sedan, was pronounced dead at the scene. Traffic in the area was severely impacted for several hours while investigators processed the site.
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PLEASE TAKE NOTICE
This article is based on early information from authorities and may be revised as the investigation progresses. For help understanding the legal landscape, visit our frequently asked questions in California page.
- The investigation remains active, and further details—including fault determination and contributing factors—are expected in the coming days.
- The roadway was closed for several hours following the crash as investigators collected evidence and cleared the wreckage.
- Drivers in the area are advised to monitor Caltrans updates for future traffic alerts or detours.
Those impacted by fatal collisions can find grief support and other resources through our accident resources in California.
Please remember that this post is for informational use only and should not be interpreted as legal or medical advice. Information is based on public reports current at the time of writing. For more details, review our disclaimer.
If your family has lost someone in a car accident near Rancho Cucamonga, contact a California personal injury lawyer today to discuss your rights and legal options for justice.