What Percentage of Truck Accidents Are Caused by Cars?
Every year, thousands of people are injured or killed in truck crashes across California, and many victims assume the truck driver is always at fault. But here’s a surprising truth: what percentage of truck accidents are caused by cars? Recent data shows that passenger vehicle drivers are responsible for a significant majority of these collisions. At Milanfar Law, we’ve handled countless truck accident claims in Walnut Creek and the surrounding areas, and our experience aligns with the national trend—passenger vehicle drivers often play a central role in these devastating incidents.
How Often Are Truck Accidents Caused by Passenger Vehicles?
Roughly 70 to 80 percent of crashes involving large trucks are caused by the drivers of other vehicles, not the truckers themselves. According to recent data from the National Safety Council, this statistic reinforces a critical but often misunderstood point: truck drivers are not automatically the ones at fault in a crash.
Trucks, due to their size and design, face unique challenges on the road. Their weight (often 20 to 30 times more than a typical car) and high ground clearance increase the risks during a collision. For example, lower-riding cars can slide underneath trailers—a scenario that is often fatal unless equipped with strong underride guards.
Combine these risks with reduced braking capability and long stopping distances, especially in poor weather or if the truck’s braking system is poorly maintained, and it becomes clear why any sudden or erratic move by a car can be catastrophic.
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Are Car Drivers Usually at Fault in Truck Crashes?
Yes, in most cases, passenger vehicle drivers initiate the chain of events that lead to a crash with a large truck. While truckers are professionally trained and regulated under federal laws, such as hours-of-service rules that limit them to 11 consecutive hours of driving, car drivers often don’t realize how difficult it is for a truck to stop or swerve to avoid a hazard.
Misjudging a truck’s speed, failing to yield, or merging too closely can trigger severe or even fatal accidents. And despite the common belief that commercial drivers are reckless, the data shows that private motorists are more frequently the ones making dangerous choices behind the wheel.
Why Cars Often Trigger Dangerous Truck Accidents
Many drivers underestimate the space and time a large truck needs to maneuver safely. A passenger car might dart in front of a truck, brake too quickly, or try to pass on the right—moves that can go unnoticed until it’s too late.
Distracted driving, aggressive behavior, and impatience during heavy traffic are also major contributors. Truckers sit much higher and often have wide blind spots; when a car stays hidden in those zones, the risk of sideswipes or underride crashes spikes significantly.
Fatigue and impairment on the part of passenger vehicle drivers only make the situation worse. Unlike commercial drivers who must follow strict regulations, car drivers aren’t subjected to the same hours-of-service limits, leading to more errors in judgment when they’re tired or drowsy.
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Common Driving Behaviors That Cause Truck Collisions
Certain behaviors are especially likely to lead to truck crashes. Some of the most frequent mistakes we see from car drivers in Walnut Creek include:
- Cutting off a truck without allowing enough space
- Driving in a truck’s blind spots, especially along the sides and rear
- Sudden lane changes in front of a truck
- Tailgating behind a large truck reduces visibility and reaction time
- Passing on the right, where the trucker may not see the car at all
- Driving distracted, such as texting or eating behind the wheel
These actions may seem minor in everyday traffic, but when a fully loaded 18-wheeler is involved, the consequences can be life-changing or life-ending.
What Makes Truck Accidents So Much More Severe?
Truck crashes are far more severe than regular car accidents, and here’s how truck accidents are different from car accidents, due to their massive size and slower stopping distance. Wet roads or poorly maintained brakes only worsen the risk. Passenger vehicles can slide under trucks in underride crashes, often leading to fatal injuries. Even with guards in place, these accidents can be deadly. A truck’s cargo can also shift or become unstable, increasing the chances of jackknifing or rolling over. These dangers highlight why giving trucks extra space and avoiding risky driving maneuvers is crucial for everyone on the road.
Injured in a Truck Crash? Contact Milanfar Law for Help
Unsure who’s at fault? You may still have a case. At Milanfar Law, we know how to uncover the facts, hold the right parties accountable, and fight for the compensation you deserve. Call us at (925) 433-6003 to speak with a Walnut Creek truck accident attorney today.
Shahrad is an experienced Oakland trial lawyer and mediator focused on catastrophic injury, civil rights, and product liability. He recently secured a $32 million verdict, showcasing his ability to win complex cases. With expertise in brain injuries, paralysis, and wrongful death, he’s known for being a powerful advocate and storyteller in court.
Shahrad Milanfar
Partner – Personal Injury Attorney