Northern Tier (United States) 1960s. Moving east to west (as the majority of population did), such states include: Connecticut, Massachusetts, Rhode Island, New Hampshire, Maine, Vermont, New York, Michigan, Wisconsin, Iowa, Minnesota, South Dakota, North Dakota, Montana, Idaho, Oregon and Washington. The terms Upper Midwest and North Country, New York are related to this term. Northern Tier (United States) The Northern Tier is the northernmost part of the United States, along the border with Canada (including the border on the Great Lakes). It can be defined as the states that border Canada (excluding Alaska), but historians include all of New England in the Northern
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