San Diego, CA, December 8, 2025
A tragic multi-vehicle accident occurred on northbound I-805 in San Diego, involving a big rig and other vehicles. The crash, which took place early Sunday morning, resulted in one fatality and caused significant traffic delays in the area. The California Highway Patrol is investigating the circumstances surrounding the incident, and commuters are advised to take alternative routes during the cleanup. The dangers associated with large vehicles like big rigs highlight the need for ongoing road safety awareness.
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 December 7, 2025, when a big rig collided with several vehicles on the northbound lanes of I-805, south of University Avenue. 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 crash 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 collision is ongoing.
Traffic Impact
The closure of the transition road caused significant traffic delays in the area. Commuters were advised to seek alternative routes during the investigation and cleanup process. The SigAlert was lifted after several hours, allowing normal traffic flow to resume.
Background Context
Multi-vehicle collisions involving big rigs are a serious concern due to the size and weight of these vehicles, which can lead to severe accidents. The CHP continues to monitor and respond to such incidents to ensure public safety. Drivers are urged to exercise caution, especially during early morning hours when visibility may be reduced.
Safety Recommendations
- Maintain Safe Following Distances: Keep a safe distance from large vehicles to allow ample reaction time in case of sudden stops or lane changes.
- Stay Alert: Avoid distractions and remain vigilant, particularly during early morning hours when fatigue can impair reaction times.
- Obey Traffic Signals and Signs: Adhere to all road signs and signals, especially in areas with ongoing investigations or road closures.
Contact Information
For more information or to report any relevant details, contact the California Highway Patrol San Diego office at (858) 293-6000.
Related Incidents
In recent months, San Diego has experienced several significant traffic incidents, including:
- July 2025: A multi-vehicle collision on State Route 163 resulted in one fatality and one severe injury.
- August 2025: A two-vehicle collision in Chula Vista led to two fatalities and three injuries.
- November 2025: A big rig struck an overpass on the 10 Freeway in West Los Angeles, causing lane closures and a SigAlert.
These incidents highlight the importance of road safety and the need for drivers to remain vigilant to prevent accidents.
Key Features of the Incident
| Date and Time | Location | Vehicles Involved | Fatalities | Traffic Impact | Investigation Status |
|---|---|---|---|---|---|
| December 7, 2025, around 2:50 a.m. | Northbound I-805 near University Avenue, San Diego, CA | Big rig and multiple other vehicles | 1 | SigAlert issued; transition road closed; normal traffic resumed after several hours | Ongoing |
FAQ
What caused the fatal multi-vehicle crash on I-805 in San Diego?
The exact cause of the crash is under investigation by the California Highway Patrol. The collision involved a big rig and multiple other vehicles, resulting in one fatality. Further details will be provided as the investigation progresses.
How long was the SigAlert in effect after the I-805 crash?
The SigAlert was issued at 3:37 a.m. and was lifted after several hours, allowing normal traffic flow to resume. The exact duration of the closure was not specified.
What safety measures can drivers take to prevent multi-vehicle collisions?
Drivers are advised to maintain safe following distances, stay alert and avoid distractions, and obey all traffic signals and signs, especially in areas with ongoing investigations or road closures.
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Fatal Multi-Vehicle Crash Involving Big Rig on State Route 805
Fatal Multi-Vehicle Crash Involving Big Rig on I-805
Fatal Multi-Vehicle Crash Involving Big Rig on State Route 805
Fatal Multi-Vehicle Crash Involving Big Rig on I-805
Fatal Multi-Vehicle Crash Involving Big Rig on I-805
Fatal Multi-Vehicle Crash Involving Big Rig on I-805
Fatal Multi-Vehicle Crash Involving Big Rig on I-805
Fatal Multi-Vehicle Crash Involving Big Rig on I-805
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Author: STAFF HERE SAN DIEGO WRITER
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