New Hampshire Highway System

New Hampshire Highway System

Interstate 93 marker

U.S. Route 3 marker

New Hampshire Route 16 marker

Everett Turnpike marker

Standard highway markers for Interstate 93, U.S. Route 3, New Hampshire Route 16, and the Everett Turnpike
System information
Length4,814 mi (7,747 km)
NotesNHDOT maintains 17,029 mi (27,406 km) of roads in total
Highway names
InterstatesInterstate X (I-X)
US HighwaysU.S. Route n (US X or Route X)
StateNew Hampshire Route X (NH X or Route X)
System links

The New Hampshire Highway System is the public roads system of the U.S. state of New Hampshire containing approximately 17,029 miles (27,406 km) maintained by the New Hampshire Department of Transportation (NHDOT). All public roads in the state are called "highways", thus there is no technical distinction between a "road" or a "highway" in New Hampshire.


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