Michelle Megna:

What is the average number of miles driven per year? The short answer is: 13,476, according to the U.S. Department of Transportation Federal Highway Administration (FHWA). Put another way, the average driver racks up over 1,000 miles each month, or almost the equivalent of two roundtrips from New York City to Los Angeles.
 But to understand driving habits nationwide, you need to look at who is driving how much and where. FHWA and other federal research data underscore the following trends: