Amputations are often one of the most difficult injuries to deal with after a car accident. The loss of a limb or a digit (finger or toe) in such an event is known as a traumatic amputation. While this injury is not as common as some other car accident injuries, the Amputee CoalitionĀ reports that car accidents are the primary cause of traumatic amputations. Causes of Amputation Injuries While just about any type of car accident can cause significant injuries, those that are most likely to cause limb-threatening injuries include: Rollover.