AAA Travel projects 34.1 million Americans will travel 50 miles or more from home during the upcoming Labor Day holiday, a 4.2 percent increase from the 32.7 million people who traveled last year. Eighty-five percent of travelers (29.2 million) will travel by automobile, an increase of 4.3 percent  from 28 million last year. The largest share of travelers (46 percent) will depart …