San Diego, December 8, 2025
A tragic multi-vehicle accident occurred on State Route 805 in San Diego early Sunday morning, resulting in at least one fatality. The collision involved a big rig and several other vehicles, prompting a significant response from local authorities. Investigations are ongoing to determine the cause and additional details about the individuals affected. The incident has raised concerns about road safety in the busy area, leading to traffic disruptions as authorities manage the scene.
San Diego, CA – Fatal Multi-Vehicle Crash Involving Big Rig on State Route 805
Tragic Incident on the Road
On an early Sunday morning, a devastating multi-vehicle collision took place on State Route 805 in San Diego, resulting in a tragic fatality. The accident, which occurred around 2:50 a.m. just south of University Avenue, involved a big rig and several other vehicles. Local authorities quickly responded to the scene, and the California Highway Patrol issued a SigAlert at 3:37 a.m. to close the transition road connecting northbound State Route 805 to northbound State Route 15.
As the investigation unfolds, details regarding the exact circumstances of the crash, including the total number of vehicles involved and the identities of those affected, remain under scrutiny. Such unfortunate incidents highlight the critical importance of road safety amid the bustling activity of San Diego’s highways.
Details of the Incident
The collision’s central occurrence unfolded in the northbound lanes of State Route 805, where local traffic was significantly impacted. The official response team issued a SigAlert shortly after the event to manage traffic effectively. As drivers sought alternate routes to circumvent substantial delays, the scene remained a focal point of ongoing investigation.
Investigation and Traffic Impact
Authorities are diligently working to determine the cause of this tragic collision. The crash has led to significant traffic disruptions, especially with the closure of the transition road to northbound State Route 15. Motorists are advised to remain vigilant and seek other routes until further notice. Currently, specifics regarding the individuals involved or any contributing factors to the crash are still unknown.
Background on Multi-Vehicle Collisions in San Diego
Multi-vehicle incidents have become a troubling trend in San Diego, drawing attention to the need for safer driving conditions and enhanced vigilance on roadways. Recent similar incidents, such as a July 2025 crash on State Route 163 leading to a fatality and an injury, and another fiery collision in June on Interstate 15, underscore the ongoing challenges faced by drivers in the area. These events prompt discussions on traffic safety improvements and community engagement in road safety measures.
Awareness and Community Response
As tragic as these accidents are, they also provide opportunities for local communities to engage in proactive discussions about road safety and necessary improvements. Entrepreneurs and local groups can promote safe driving campaigns or develop innovative traffic management solutions to help ward off future tragedies. By fostering a spirit of resilience and proactive response, San Diego can work together to enhance the safety of its streets and highways.
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, specific details regarding the number of vehicles involved and the exact circumstances remain under investigation.
What is the current status of the investigation into the crash?
The California Highway Patrol is actively investigating the cause of the collision. The SigAlert issued at 3:37 a.m. led to the closure of the transition road connecting northbound State Route 805 to northbound State Route 15. Motorists were advised to seek alternate routes to avoid significant delays. As of now, no further details have been released regarding the identities of those involved or the specific circumstances leading to the crash.
Have there been similar incidents in San Diego recently?
Yes, San Diego has experienced several multi-vehicle collisions in recent years. For instance, in July 2025, a series of crashes on State Route 163 in Mission Valley resulted in one fatality and one severe injury. In June 2025, a fiery multi-vehicle crash on Interstate 15 near Route 163 left one person hospitalized. These incidents highlight the ongoing challenges related to traffic safety in the region.
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 |
| Vehicles Involved | Big rig and multiple other vehicles |
| Fatalities | At least one confirmed fatality |
| Investigation Status | Ongoing; specific details under investigation |
| Traffic Impact | SigAlert issued; transition road to northbound State Route 15 closed |
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Author: STAFF HERE SAN DIEGO WRITER
The SAN DIEGO STAFF WRITER represents the experienced team at HERESanDiego.com, your go-to source for actionable local news and information in San Diego, San Diego County, and beyond. Specializing in "news you can use," we cover essential topics like product reviews for personal and business needs, local business directories, politics, real estate trends, neighborhood insights, and state news affecting the area—with deep expertise drawn from years of dedicated reporting and strong community input, including local press releases and business updates. We deliver top reporting on high-value events such as Comic-Con International, San Diego County Fair, and San Diego Pride Festival. Our coverage extends to key organizations like the San Diego Regional Chamber of Commerce and United Way of San Diego County, plus leading businesses in biotechnology, healthcare, and technology that power the local economy such as Qualcomm, Illumina, and Scripps Health. As part of the broader HERE network, including HEREAnaheim.com, HEREBeverlyHills.com, HERECostaMesa.com, HERECoronado.com, HEREHollywood.com, HEREHuntingtonBeach.com, HERELongBeach.com, HERELosAngeles.com, HEREMissionViejo.com, and HERESantaAna.com, we provide comprehensive, credible insights into California's dynamic landscape.


