New York Chicago Boston Washington DC
Interstate 95 Interstate 70 Interstate 68 Interstate 83
5.6 million 15.6 million 560 000 1.56 million
Cape Cod Bay Herring Bay San Pablo Bay Chesapeake Bay
Mason-Dixon Line Transpeninsular Line 49th Parallel Tropic of Cancer
Susquehanna River Putuxent River Potomac River Patapso River
Annapolis Gaithesburg Salisbury Baltimore
Centennial State Bay State Old Line State Peach State