Rear-end crashes are one of the most common scenarios that I see in my Phoenix personal injury practice. These rear-end accidents are especially egregious because they typically whip the victim's neck back and forth, causing cervical strain/sprain, and sometimes serious injury including concussion. This happens because our necks are simply not strong enough to sustain the force of moving forward, stopping and then being forced backwards. In order to sustain forces of a rear-end crash effectively humans would basically not have a neck (See the simulated crash proof humanoid Graham – he has no neck!).
The most common scenario involves one driver stopping or slowing due to traffic conditions and the driver behind them negligently fails to stop. Why does this happen? Speed, following too closely and inattention are the most common factors. The at-fault driver is typically driving at a speed that is too fast for conditions, not leaving a safe distance between the car in front and often not paying close attention to the roadway. They may be recklessly texting while driving or under the influence of alcohol, but more commonly, simply not focusing on the task at hand. So, slow down, keep a safe distance between cars and pay attention; you probably won't rear-end somebody.