average miles driven a day
1 U.S. daily travel averages 11 billion miles a day â almost 40 miles per person per day. 2  Americans take 411 billion daily trips a year or about 1,500 trips per person. 3  U.S. daily travel totals about 4 trillion miles â 14,500 miles per person.  45 percent of daily trips are taken for shopping and errands.