Fatal Multi-Vehicle Crash Involving Big Rig on State Route 805

Emergency responders at a multi-vehicle crash scene involving a big rig in San Diego.

San Diego, CA, December 8, 2025

A tragic multi-vehicle collision early Sunday morning on State Route 805 claimed at least one life, involving a big rig and several other vehicles. The incident prompted a swift response from the California Highway Patrol, which issued a SigAlert, closing the transition road to manage the aftermath. As investigations are underway to comprehend the causes of the crash, community advocates stress the critical need for enhanced road safety measures to prevent such incidents in the future.

San Diego, CA – Fatal Multi-Vehicle Crash Involving Big Rig on State Route 805

Tragic Incident on State Route 805 Raises Concerns about Road Safety

Early Sunday morning, a serious multi-vehicle collision involving a big rig occurred on State Route 805, resulting in at least one fatality. Such incidents are reminders of the challenges our roads face and highlight the importance of ensuring safety measures are in place. While the local community and entrepreneurs steadily work to revitalize San Diego’s economy, incidents like these can pose significant setbacks. Investigating the causes behind this crash and addressing roads and safety regulations is crucial for enhancing public safety while allowing for continued economic growth in the region.

At approximately 2:50 a.m., the California Highway Patrol (CHP) quickly responded to the crash that took place northbound on State Route 805, south of University Avenue. CHP issued a SigAlert soon after at 3:37 a.m., closing the transition road to northbound State Route 15 as emergency crews worked to manage the situation. As the investigation unfolds, more clarity about the number of victims and the specifics leading to the crash may come to light.

Details of the Incident

The collision involved a big rig and several other vehicles, leading to significant traffic disruptions in the area. The response from the California Highway Patrol demonstrates their commitment to public safety, as they continue to investigate the circumstances surrounding this incident. Such thorough investigations are essential to understanding what preventative measures may be necessary to stop similar incidents from occurring in the future.

Background Context

Incidents like this tragic collision serve to illustrate the importance of effective road safety measures. Multi-vehicle collisions involving large trucks can be particularly dangerous, not just for those directly involved but for any motorists in the vicinity. In the past, San Diego has experienced similar incidents that have raised concerns about roadway safety, and the community must remain vigilant in advocating for the infrastructure improvements necessary to safeguard all travelers on California roads.

Frequently Asked Questions (FAQ)

What happened in the multi-vehicle crash on State Route 805 in San Diego?

A fatal multi-vehicle collision occurred early Sunday morning on State Route 805 in San Diego, involving a big rig and multiple other vehicles. The incident took place around 2:50 a.m. on the northbound route, south of University Avenue. The California Highway Patrol responded promptly, issuing a SigAlert at 3:37 a.m. to close the transition road connecting northbound State Route 805 to northbound State Route 15. The crash resulted in at least one fatality; however, the exact number of victims and the circumstances leading to the collision have not been disclosed. The investigation into the cause of the crash is ongoing.

What is the current status of the investigation into the crash?

The California Highway Patrol is actively investigating the circumstances surrounding the crash to determine its cause. As of now, the exact number of victims and the specific factors leading to the collision have not been disclosed. The investigation is ongoing, and more information will be provided to the public as it becomes available.

Have similar incidents occurred in San Diego before?

Yes, multi-vehicle collisions involving big rigs have occurred in San Diego in the past, leading to significant traffic disruptions and posing risks to public safety. These incidents underscore the importance of thorough investigations to determine causes and implement measures to prevent future occurrences.

Key Features of the Incident

Feature Details
Location State Route 805, northbound, south of University Avenue, San Diego, CA
Time of Incident Approximately 2:50 a.m., Sunday, December 7, 2025
Involved Vehicles Big rig and multiple other vehicles
Fatalities At least one confirmed; exact number not disclosed
Investigation Status Ongoing; cause of the crash under investigation

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Author: STAFF HERE SAN DIEGO WRITER

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