Final answer:
Over 40% of all crashes in the U.S. are caused by driver distraction, which includes a variety of actions such as using cell phones or eating while driving.
Step-by-step explanation:
It is estimated that over 40% of all crashes in the U.S. are caused by driver distraction. Distraction can come from many sources, such as using a cell phone while driving, eating, or even adjusting the radio. Understanding the impact of driver distraction on road safety encourages the implementation of measures to reduce these incidents and enhance driver awareness. Driver education and safety programs often highlight the risks associated with distracted driving to mitigate the chances of accidents.