Interstate 93 is an Interstate Highway in the New England

New England

New England is a region in the northeastern corner of the United States consisting of the six states of Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, and Connecticut...

 section of the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. Its southern terminus is in Canton

Canton, Massachusetts

Canton is a town in Norfolk County, Massachusetts, United States. The population was 21,561 at the 2010 census. Canton is part of Greater Boston, about 15 miles southwest of downtown Boston.- History :...

, Massachusetts

Massachusetts

The Commonwealth of Massachusetts is a state in the New England region of the northeastern United States of America. It is bordered by Rhode Island and Connecticut to the south, New York to the west, and Vermont and New Hampshire to the north; at its east lies the Atlantic Ocean. As of the 2010...

, in the Boston

Boston

Boston is the capital of and largest city in Massachusetts, and is one of the oldest cities in the United States. The largest city in New England, Boston is regarded as the unofficial "Capital of New England" for its economic and cultural impact on the entire New England region. The city proper had...

 metropolitan area, at Interstate 95

Interstate 95 in Massachusetts

Interstate 95 is the main highway on the East Coast of the United States, paralleling the Atlantic Ocean from Florida to Maine. The Massachusetts portion of the highway enters from the state of Rhode Island in Attleboro and travels in a northeasterly direction to the junction with Route 128 in...

; its northern terminus is near St. Johnsbury

St. Johnsbury, Vermont

St. Johnsbury is the shire town of Caledonia County, Vermont, United States. The population was 7,571 at the 2000 census. St. Johnsbury is located approximately northwest of the Connecticut River and south of the Canadian border.St...

, Vermont

Vermont

Vermont is a state in the New England region of the northeastern United States of America. The state ranks 43rd in land area, , and 45th in total area. Its population according to the 2010 census, 630,337, is the second smallest in the country, larger only than Wyoming. It is the only New England...

, at Interstate 91

Interstate 91

Interstate 91 is an Interstate Highway in the New England region of the United States. It provides the primary north–south thoroughfare in the western part of New England...

. It is one of three mainline Interstate highways whose entire route is located within the New England states, the other two being I-89

Interstate 89

Interstate 89 is an interstate highway in the New England region of the United States travelling between Bow, New Hampshire and Highgate Springs, Vermont. As with all odd-numbered primary interstates, I-89 is signed as a north–south highway...

 and I-91

Interstate 91

Interstate 91 is an Interstate Highway in the New England region of the United States. It provides the primary north–south thoroughfare in the western part of New England...

. The largest cities along its route are Manchester, New Hampshire

Manchester, New Hampshire

Manchester is the largest city in the U.S. state of New Hampshire, the tenth largest city in New England, and the largest city in northern New England, an area comprising the states of Maine, New Hampshire, and Vermont. It is in Hillsborough County along the banks of the Merrimack River, which...

, Concord, New Hampshire

Concord, New Hampshire

The city of Concord is the capital of the state of New Hampshire in the United States. It is also the county seat of Merrimack County. As of the 2010 census, its population was 42,695....

 and Boston, Massachusetts

Boston

Boston is the capital of and largest city in Massachusetts, and is one of the oldest cities in the United States. The largest city in New England, Boston is regarded as the unofficial "Capital of New England" for its economic and cultural impact on the entire New England region. The city proper had...

.

For most of its length, Interstate 93 indirectly parallels U.S. Route 3

U.S. Route 3

U.S. Route 3 is a north–south United States highway that runs from its southern terminus in Cambridge, Massachusetts through New Hampshire to its terminus near Third Connecticut Lake at the Canadian border, where the road continues north as Quebec Route 257.In New Hampshire parts of US 3 are...

.