Nevada County, CA — November 21, 2025, one person was injured due to a truck accident at approximately 8:00 a.m. along State Highway 20.
According to authorities, one person was traveling in a Volkswagen passenger car on S.H. 20 in the vicinity between Penn Valley and grass Valley when the accident took place.
Officials indicate that, for as yet unknown reasons, the Volkswagen was involved in a rear-end collision with the back of an 18-wheeler’s trailer. The driver reportedly became entrapped in the wreckage and had to be extracted by emergency personnel. Once freed from the wreckage, the victim was flown to an area medical facility in order to receive immediate treatment for critical injuries incurred in the collision.
Additional details pertaining to this incident—including the identity of the victim—are not available at this point in time. The investigation is currently ongoing.
Commentary by Attorney Michael Grossman
When a car crashes into the back of an 18-wheeler and the driver ends up critically injured, many people assume the person in the smaller vehicle is automatically at fault. But in my experience, rear-end collisions involving large trucks often raise serious questions about visibility, positioning, and whether the truck was where it should have been—and whether it could have been seen in time.
Right now, we don’t know much about the moments leading up to the crash. Was the 18-wheeler moving slowly or stopped in a travel lane? Was it attempting a turn or parked on the shoulder? Did the trailer have functioning brake lights and reflective markings? These aren’t technicalities—they’re essential to understanding whether the driver of the Volkswagen had any real opportunity to avoid the crash.
A key part of the investigation will be assessing how visible the trailer was, especially in the morning light. Trailers are required to have specific reflective tape and lighting precisely because of situations like this. If that equipment was missing, damaged, or dirty, it could have made the trailer practically invisible until it was too late. And that’s not just a maintenance issue—it could be a sign of broader negligence by the trucking company.
Investigators will also need to pull black box data from the truck to determine its speed, whether it was decelerating, and if any lights or signals were activated. If there’s dash cam footage, that may clarify how long the truck was stationary and whether the driver made any effort to warn others.
Even in crashes that look one-sided, the full truth only comes out when all the facts are gathered—and that includes examining not just the driver of the car, but the condition, visibility, and actions of the 18-wheeler.
Key Takeaways:
- It’s still unclear whether the truck was moving, stopped, or parked at the time of the collision.
- Visibility of the trailer—especially lighting and reflective tape—may have been a factor.
- Truck black box data and dash cam footage can help reconstruct the truck’s movements and condition.
- Trucking company maintenance and safety practices should be reviewed as part of the investigation.
- Rear-end crashes with 18-wheelers aren’t always simple; liability depends on what the evidence shows about visibility and response time.
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