Fatal Multi-Vehicle Crash Involving Big Rig on SR-805 in San Diego, CA (December 7, 2025)

San Diego, CA (December 9, 2025) – One person lost their life early Sunday morning following a multi-vehicle crash involving a big rig on State Route 805 in San Diego.

According to the California Highway Patrol, the collision took place around 2:50 a.m. on December 7 along the northbound lanes of SR-805, just south of University Avenue. The crash involved several vehicles, including a commercial truck. Emergency crews responded to the scene and confirmed at least one fatality.

Due to the severity of the accident, a SigAlert was issued at 3:37 a.m., closing the transition road from northbound SR-805 to northbound State Route 15. Authorities worked for several hours to clear the wreckage and investigate the circumstances leading up to the crash.

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Losing someone in a tragic crash—especially one involving a big rig—can be emotionally and financially devastating. If your loved one was killed in a car accident near San Diego, legal support may be essential for holding responsible parties accountable.

Big rig crashes often involve complex liability issues. Understanding your rights is critical, and car accident laws in California outline how families can seek justice through wrongful death claims.

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PLEASE TAKE NOTICE

This article is based on preliminary reports and may be updated as more information becomes available.

• The identity of the person killed has not yet been released, pending next of kin notification.
• The cause of the crash remains under investigation by CHP.
• Drivers were advised to avoid the area for several hours due to the SigAlert and roadway closures.

For guidance on what steps to take following a fatal crash, read our frequently asked questions in California and access vital accident resources in California for families affected by tragedy.

This story is for informational use only and does not constitute legal advice. Details may change as the investigation continues. Read our full disclaimer for more.

If your family has been impacted by this crash, reach out to a compassionate California personal injury lawyer today for help pursuing justice.