Northeastern United States regions and divisions." The Census Bureau confirmed in 1994 that it would continue to "review the components of the regions and divisions to ensure that they continue to represent the most useful combinations of States and State equivalents." Many organizations and reference works follow the Census Bureau's definition for the region; however, other entities define the Northeastern United States in significantly different ways for various purposes. The Association of American Geographers divides the Northeast into two divisions: "New England", which consists of Maine, Vermont, New Hampshire, Massachusetts, Rhode Island, and Connecticut; and the "Middle States", which consists of New York,
Transportation in New England commuter rail service throughout eastern Massachusetts and parts of Rhode Island. The New York City Metropolitan Transportation Authority's Metro-North Railroad provides commuter rail service in southwestern Connecticut, while the Connecticut Department of Transportation operates the Shore Line East commuter rail service along the Connecticut coastline east of New Haven. Amtrak provides interstate rail service throughout New England. Boston is the northern terminus of the Northeast Corridor line. The "Vermonter" connects Vermont to Massachusetts and Connecticut, while the "Downeaster" links Maine to Boston. The largest and busiest airport in New England is Logan International Airport in Boston, which has many daily