Causes of Car Accidents Accidents in vehicles are frequent and can result in serious injuries. The lives of the victims as well as their families are also affected. These injuries occur when kinetic energy is transferred during an impact. These injuries can be caused by whiplash and spinal cord trauma, as well as leg injuries. Driver Errors Regardless of the vehicle it is driver's fault that is the primary cause for nearly every car crash in the United States. Fortunately drivers can avoid these crashes by practicing safer driving techniques