 It's 1246. Airports are jam-packed at the start of the independent holiday travel period with millions of passengers expected to flood airports. It's go time for millions of Americans taking off for the 4th with record-breaking numbers of people packing airports from coast to coast. It's looking like a record-breaker on the roads too. AAA says some 60 million will take their vacations by car. The national average for a gallon of regular, 350. About the same as this time last year.