San Diego, December 8, 2025
A tragic multi-vehicle collision occurred on State Route 805 in San Diego, claiming one life early Sunday morning. The incident involved several vehicles, including a big rig, and has prompted a thorough investigation by the California Highway Patrol (CHP). A SigAlert was issued to close related roadways as safety protocols were put in place. The situation underscores the dangers associated with heavy vehicle traffic on California’s highways.
San Diego, CA – Fatal Multi-Vehicle Crash Involving Big Rig
In the early hours of Sunday, December 7, 2025, a tragic multi-vehicle collision occurred on State Route 805 in San Diego, claiming one life. The incident took place around 2:50 a.m. on the northbound lanes, south of University Avenue. The timely response from the California Highway Patrol (CHP) resulted in the issuance of a SigAlert at 3:37 a.m., which prompted the closure of the transition road connecting northbound Route 805 to northbound State Route 15. The specifics surrounding the crash remain unclear as investigations are ongoing.
Such incidents can be reminders of the risks associated with heavy vehicle traffic on California’s roadways, especially involving large rigs that can lead to significant consequences. The CHP is actively investigating the circumstances leading to this crash, emphasizing the importance of traffic safety and protocol on the state’s busy highways.
Details of the Incident
The collision involved multiple vehicles, notably a big rig, on the northbound lanes of State Route 805. As details about the crash unfold, investigators are concentrating on unraveling the factors that may have contributed to this unfortunate event. The CHP’s quick action in issuing a SigAlert demonstrates their commitment to public safety, ensuring that motorists were informed and traffic was properly managed in the wake of this incident.
Background Information
Multi-vehicle collisions, especially those involving commercial vehicles like big rigs, are significant occurrences that not only disrupt traffic but also pose critical safety risks. The investigations conducted by the CHP will shed light on the causes behind such events, enabling authorities to enhance road safety measures, potentially reducing the probability of future incidents. As more information becomes available, updates will be shared to keep the community informed.
Frequently Asked Questions (FAQ)
What happened in the fatal 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, resulting in one death. The incident took place around 2:50 a.m. on the northbound lanes, south of University Avenue. The California Highway Patrol (CHP) responded promptly, issuing a SigAlert at 3:37 a.m. to close the transition road connecting northbound Route 805 to northbound State Route 15. No further details about the crash have been released at this time.
What is a SigAlert, and why was it issued in this case?
A SigAlert is a traffic advisory issued by the California Highway Patrol to inform the public of significant traffic incidents or hazards. In this case, the CHP issued a SigAlert at 3:37 a.m. to close the transition road connecting northbound Route 805 to northbound State Route 15 due to the fatal multi-vehicle collision.
Has the cause of the crash been determined?
The exact circumstances leading to the crash remain under investigation by the CHP. As of now, no additional information has been provided regarding the cause of the collision.
Key Features of the Incident
| Feature | Details |
|---|---|
| Location | State Route 805, northbound lanes, south of University Avenue, San Diego, CA |
| Time of Incident | Approximately 2:50 a.m., Sunday, December 7, 2025 |
| Vehicles Involved | Multiple vehicles, including a big rig |
| Fatalities | One confirmed death |
| CHP Response | Issued SigAlert at 3:37 a.m. to close transition road connecting northbound Route 805 to northbound State Route 15 |
| Investigation Status | Ongoing; no further details released |
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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.


