By Crash News Writer 
Oakland, CA (August 23, 2025) – Early Saturday morning, a deadly multi-vehicle collision occurred on Interstate 880 near Hegenberger Road, causing full southbound lane closures and prompting a SigAlert from authorities.
According to reports, the incident was first logged around 3:48 a.m. on August 23. Initial dispatches indicated a two-vehicle collision, later confirmed to involve a big rig and at least one other vehicle. A third vehicle, described as a pickup truck, was reportedly stopped on the right-hand shoulder and may have also been involved.
Emergency medical technicians at the scene identified at least one unresponsive party, who was treated by Oak Fire Department personnel. All southbound lanes were blocked as of 4:00 a.m., and the Alameda County Coroner’s Office was called to the scene shortly thereafter.
Authorities are continuing to investigate the cause of the crash and whether speed, impairment, or driver distraction were factors.
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PLEASE TAKE NOTICE
This article is based on preliminary reports and is subject to updates as authorities release further information.
- The identity of the deceased has not been publicly released pending family notification.
- Authorities are reviewing surveillance footage and other evidence to determine the sequence of events.
- Alternate routes were advised for hours as full lane closures were in place for emergency response and investigation.
If you’re looking for guidance, our frequently asked questions in California offer clarity on post-crash procedures, and these accident resources in California may help you navigate this challenging time.
This news is for informational purposes only and not legal advice. For more, read our complete disclaimer.