San Diego, CA, December 8, 2025
A tragic multi-vehicle collision occurred on northbound I-805 in San Diego, resulting in the death of one individual. The accident involved a big rig and caused significant traffic delays in the area. The California Highway Patrol is investigating the incident as commuters were advised to seek alternative routes due to road closures.
San Diego, CA – Fatal Multi-Vehicle Crash Involving Big Rig on I-805
San Diego, CA – A fatal multi-vehicle collision occurred early Sunday morning on northbound Interstate 805 (I-805) near University Avenue, involving a big rig and multiple other vehicles. The incident resulted in one fatality and significant traffic disruptions.
Details of the Incident
The crash took place around 2:50 a.m. on Sunday, December 7, 2025. The California Highway Patrol (CHP) responded promptly to the scene. A SigAlert was issued at 3:37 a.m., leading to the closure of the transition road connecting northbound I-805 to northbound State Route 15. The exact number of vehicles involved and the circumstances leading to the collision have not been disclosed. The identity of the deceased has not been released pending notification of next of kin. An investigation into the cause of the crash is ongoing.
Impact on Traffic
The closure of the transition road caused significant traffic delays in the area. Commuters were advised to seek alternative routes to avoid congestion. The SigAlert was lifted after several hours, allowing normal traffic flow to resume.
Background Information
Interstate 805 is a major north-south freeway in San Diego County, connecting various communities and serving as a primary route for commuters and freight transport. Multi-vehicle collisions involving big rigs can lead to severe traffic disruptions and pose significant safety risks due to the size and weight of the vehicles involved.
Safety Precautions
Authorities urge drivers to exercise caution, especially during early morning hours when visibility may be reduced. Adhering to posted speed limits and maintaining a safe following distance are crucial to prevent such incidents. Drivers are also encouraged to stay informed about road conditions and closures by checking official traffic updates before traveling.
Related Incidents
San Diego has experienced several traffic-related incidents in recent months. Notably, a fatal multi-vehicle collision occurred on State Route 163 in July 2025, resulting in one death and one injury. Additionally, a single-vehicle crash in Chula Vista in December 2025 led to the death of a 45-year-old man. These incidents highlight the importance of road safety and the need for vigilant driving practices.
Investigation and Updates
The CHP is conducting a thorough investigation into the cause of the I-805 collision. Updates will be provided as more information becomes available. Drivers are advised to stay updated on traffic conditions and follow guidance from local authorities to ensure safety on the roads.
Contact Information
For more information or to report any relevant details, individuals can contact the California Highway Patrol San Diego office at 858-293-6000. Public safety announcements and updates are also available through official CHP channels and local news outlets.
Key Features of the Incident
| Feature | Details |
|---|---|
| Location | Northbound I-805 near University Avenue, San Diego, CA |
| Time of Occurrence | Approximately 2:50 a.m. on Sunday, December 7, 2025 |
| Vehicles Involved | Big rig and multiple other vehicles |
| Fatalities | One confirmed fatality |
| Traffic Impact | Significant delays due to road closures; SigAlert issued at 3:37 a.m. |
| Investigation Status | Ongoing by California Highway Patrol |
Frequently Asked Questions (FAQ)
What happened in the San Diego I-805 crash?
A fatal multi-vehicle collision occurred early Sunday morning on northbound I-805 near University Avenue, involving a big rig and multiple other vehicles. The incident resulted in one fatality and significant traffic disruptions.
When did the crash occur?
The crash took place around 2:50 a.m. on Sunday, December 7, 2025.
What caused the crash?
The exact cause of the collision is under investigation by the California Highway Patrol. Details regarding the circumstances leading to the crash have not been disclosed.
How did the crash affect traffic?
The closure of the transition road connecting northbound I-805 to northbound State Route 15 caused significant traffic delays in the area. The SigAlert was lifted after several hours, allowing normal traffic flow to resume.
Who was involved in the crash?
The collision involved a big rig and multiple other vehicles. The identity of the deceased has not been released pending notification of next of kin.
What is the current status of the investigation?
The California Highway Patrol is conducting a thorough investigation into the cause of the collision. Updates will be provided as more information becomes available.
How can I stay informed about traffic conditions?
Drivers are advised to stay updated on traffic conditions and follow guidance from local authorities to ensure safety on the roads. Official traffic updates are available through CHP channels and local news outlets.
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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.
