Rear-end collisions are one of the most common types of car accidents, and they often leave victims with injuries such as whiplash, back strain, or a concussion. Here are ways you can avoid such a crash: Maintain a Safe Following Distance This applies whether you’re driving on a rural road, busy city street, or on a freeway. A safe following distance will allow you to safely brake if the car in front of you suddenly slows or comes to a complete stop. Stopping Distance When you stop, always leave two.