Causes of Car Accidents Accidents in cars are common and can result in serious injuries. The lives of the victims and their families are also affected. These injuries are caused by energy transferred by the impact. These injuries include whiplash, spinal cord trauma, and limb injuries. Driver Errors Driver error is the leading cause of almost all car accidents in the United States, regardless of the vehicle. Drivers can avoid these accidents by practicing safer driving and paying close attention to the road conditions. While most accidents ar