The Northeast Megalopolis

The megalopolis encompasses the District of Columbia and part or all of 11 states: from south to north, Virginia, Maryland, Delaware, Pennsylvania, New Jersey, New York, Connecticut, Rhode Island, Massachusetts, New Hampshire, and Maine. It is linked by Interstate 95 and U.S. Route 1, which start in Miami and Key West, Florida, respectively, and terminate in Maine at the Canada–United States border, as well as the Northeast Corridor railway line, the busiest passenger rail line in the count...