Bill Clinton, Forty-Second President of the United States. Public Domain Image from NARA
1 Total vehicle miles driven by teen drivers have plummeted, not only because a smaller share of them are driving but also because miles per young driver have also declined.  In 1990, each driver aged 16 to 19 drove an average of 8,485 miles per year.
The following answer says there are about 200 million cars in America http://answers.yahoo.com/question/index?qid=20080318110044AAqwace And then the next answer give â¦ s the average amount driven as about 12.5k miles per year http://wiki.answers.com/Q/Average_miles_a_car_is_driven_per_year That gives a total per year of 12.5k * 200million = 2.5 Trillion miles