Final answer:
Driver error is one of the main reasons for accidents in the U.S., comprising about 54% of all fatal auto accidents.
Step-by-step explanation:
One of the 5 main reasons for accidents in the U.S. is driver error. According to the American Automobile Association, driver error accounts for approximately 54 percent of all fatal auto accidents. This is substantiated by the example where 30 randomly selected fatal accidents were examined, and out of those, 14 were found to have been caused by driver error. This topic also encompasses separate but related issues such as industrial accidents due to failure to follow instructions, and accidental deaths caused by drug overdoses, where an upsurge has been observed since 1999, overtaking motor vehicle accidents. Moreover, head and traumatic brain injuries, primarily from falls and vehicle accidents, contribute significantly to injury-related deaths in the United States.