San Diego, December 8, 2025
A tragic multi-vehicle collision occurred on State Route 805, involving a big rig, resulting in at least one fatality. The incident, which took place in the early morning hours, forced the California Highway Patrol to issue a SigAlert for the area. The ongoing investigation aims to determine the causes and enhance road safety measures. This event highlights the unpredictable nature of highway travel and the community’s role in promoting awareness.
San Diego, CA – Fatal Multi-Vehicle Crash Involving Big Rig on State Route 805
A tragic multi-vehicle collision occurred early Sunday morning on State Route 805, involving a big rig and resulting in at least one fatality. The incident unfolded around 2:50 a.m. on the northbound lanes, south of University Avenue, highlighting the dangers that can arise on our highways. Quick action by the California Highway Patrol (CHP) demonstrates the importance of public safety and the need for efficient traffic management during critical situations.
As San Diego continues to thrive as a hub for entrepreneurial spirit and community resilience, incidents like this emphasize the unpredictable nature of our roadways. Effective responses by emergency services such as the CHP reflect a broader commitment to maintaining safety for residents and visitors alike. These events remind us of the collective responsibility to promote awareness and vigilance on the roads.
Details of the Incident
The multi-vehicle crash on State Route 805 involved several cars and a big rig, resulting in significant disruptions. For the safety of all drivers, the CHP issued a SigAlert around 3:37 a.m. to close the transition road connecting northbound State Route 805 to northbound State Route 15. While at least one fatality has been confirmed, the exact number of victims and the specific circumstances surrounding the collision remain under investigation.
Background Context
Multi-vehicle collisions involving large trucks, such as big rigs, are particularly concerning due to the potential for severe injuries and extensive traffic delays. The swift action taken by the CHP in this instance demonstrates the agency’s commitment to public safety and highlights the importance of their role in traffic management. Investigating incidents such as this is crucial in identifying causes and formulating measures to enhance road safety in the future.
Ongoing Investigation
The California Highway Patrol is actively investigating the circumstances that led to the crash. Each incident provides an opportunity to improve safety regulations and response strategies, ensuring that incidents are minimized on our roadways moving forward. As details of this tragic event unfold, it remains key for the community to stay connected and informed.
Importance of SigAlert Issuance
A SigAlert is a vital traffic advisory that helps manage public safety during significant incidents. In this case, the CHP issued a SigAlert to alert drivers of the closure and potential delays following the early morning crash. This information is critical for ensuring drivers can adjust their routes accordingly and avoid further complications on the road.
Community Impact
Incidents like the one on State Route 805 also serve as a reminder of the interconnectedness within our community. The roadways not only facilitate daily commutes but also play a significant role in supporting local businesses and the economy. Ensuring safe travel is in everyone’s best interest and fosters a supportive environment for all residents in San Diego.
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. on Sunday, December 7, 2025 |
| Vehicles Involved | Multiple vehicles, including a big rig |
| Fatalities | At least one confirmed; exact number not disclosed |
| Traffic Advisory | SigAlert issued at 3:37 a.m., closing transition road to northbound State Route 15 |
| Investigation Status | Ongoing; cause of the crash under investigation by CHP |
As we reflect on this tragic event, it serves as an important reminder of the unpredictability associated with highway travel and reinforces the ongoing need for community vigilance and effective traffic safety measures. San Diegans are encouraged to stay informed about local developments, support road safety initiatives, and advocate for measures that ensure the well-being of our beloved city.
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. The incident took place around 2:50 a.m. on the northbound route, south of University Avenue. The California Highway Patrol (CHP) responded to the scene and issued a SigAlert at 3:37 a.m., closing 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 CHP is currently investigating the cause of the crash.
What is the current status of the investigation into the crash?
The California Highway Patrol (CHP) is currently investigating the cause of the crash. The exact number of victims and the circumstances leading to the collision have not been disclosed. Further details are expected to be released as the investigation progresses.
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 that may cause major delays. In this case, the CHP issued a SigAlert at 3:37 a.m. to close the transition road connecting northbound State Route 805 to northbound State Route 15 due to the severity of the multi-vehicle crash.
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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.


