Whether we’re talking about airfare or cab fare, transportation costs can eat up a large part of one’s travel budget. Of course, western Europe is known for its highly accessible and inexpensive public transportation systems. But we’ve got plenty of bragging rights in the U.S., too. If you’re looking to cut down on transportation costs once you reach your destination, check out these ten best U.S. cities for public transportation. You may be surprised by some of them!