U.S. Centers for Disease Control and Prevention National Highway Traffic Safety Administration National Highway Traffic Safety Administration National Highway Traffic Safety Administration U.S. Centers for Disease Control and Prevention Distracted Driving 75 percent of U.S. drivers 52 percent of U.S. drivers Centers for Disease Control and Prevention Distracted Driving National Highway Traffic Safety Administration distracted driver U.S. Centers for Disease Control and Prevention distracted driver distracted driver National Highway Traffic Safety Administration 17 percent of all crashes distracted driving distracted driving distracted driving CDC Distracted Driving statistics are chilling CDC Distracted Driving distracted driver statistics are chilling