San Diego, CA, December 8, 2025
A tragic multi-vehicle crash occurred on northbound Interstate 805 in San Diego, resulting in one fatality and significant traffic disruptions. The collision involved a big rig and several other vehicles. Authorities reported that the crash took place early Sunday morning, leading to the closure of a transition road and heavy traffic delays. An investigation into the cause of the crash is currently underway by the California Highway Patrol.
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 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. 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, and normal traffic flow was restored.
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 due to the size and weight of the vehicles involved. The CHP continues to investigate the circumstances surrounding this incident to determine the cause and prevent future occurrences.
Related Incidents in the Region
San Diego County has experienced several significant traffic incidents in recent months. Notably, a multi-vehicle collision on State Route 163 in July resulted in one fatality and one severe injury. In August, a two-vehicle collision in Chula Vista led to two fatalities and three injuries. These incidents highlight the ongoing challenges related to traffic safety in the region.
Safety Reminders
Authorities urge drivers to exercise caution, especially during early morning hours when visibility may be reduced. Adhering to speed limits, maintaining safe following distances, and staying alert can help prevent such tragic events. Drivers are also encouraged to stay informed about road conditions and closures by checking official traffic updates before traveling.
Frequently Asked Questions (FAQ)
What happened in the San Diego multi-vehicle crash?
A fatal multi-vehicle collision occurred early Sunday morning on northbound Interstate 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 December 7, 2025.
What caused the crash?
The exact cause of the crash is under investigation by the California Highway Patrol. Details regarding the circumstances leading to the collision 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. Commuters were advised to seek alternative routes to avoid congestion. The SigAlert was lifted after several hours, and normal traffic flow was restored.
Have there been similar incidents in the area?
Yes, San Diego County has experienced several significant traffic incidents in recent months, including a multi-vehicle collision on State Route 163 in July resulting in one fatality and one severe injury, and a two-vehicle collision in Chula Vista in August leading to two fatalities and three injuries.
What safety measures should drivers take?
Authorities urge drivers to exercise caution, especially during early morning hours when visibility may be reduced. Adhering to speed limits, maintaining safe following distances, and staying alert can help prevent such tragic events. Drivers are also encouraged to stay informed about road conditions and closures by checking official traffic updates before traveling.
Key Features of the Incident
| Feature | Details |
|---|---|
| Location | Northbound Interstate 805 near University Avenue, San Diego, CA |
| Time of Occurrence | Approximately 2:50 a.m. on December 7, 2025 |
| Involved Vehicles | Big rig and multiple other vehicles |
| Fatalities | One confirmed fatality |
| Traffic Impact | Closure of transition road; significant delays; SigAlert issued at 3:37 a.m.; normal traffic restored after several hours |
| Investigation Status | Ongoing by California Highway Patrol; cause of crash under investigation |
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Fatal Multi-Vehicle Crash Involving Big Rig on I-805
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Author: STAFF HERE SAN DIEGO WRITER
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