text: When going to work, School, and so much more. Humans also use cellphone while driving drivers should not drive while texting or talking on the phone. It to dangerous in the United States, automobile crashes due to distracted driving are increasing. The leading cause of distracted driving is cell phones. In 2015, six hundred and sixty thousand drivers in the United States were estimated to use cell phones each day, while driving behind the wheel during daylight hours. Cell phone use while driving has become a leading cause of vehicle crashes over the last two decades.