| New Hampshire Highway System | |
|---|---|
    Standard highway markers for Interstate 93, U.S. Route 3, New Hampshire Route 16, and the Everett Turnpike | |
| System information | |
| Length | 4,814 mi (7,747 km) |
| Notes | NHDOT maintains 17,029 mi (27,406 km) of roads in total |
| Highway names | |
| Interstates | Interstate X (I-X) |
| US Highways | U.S. Route n (US X or Route X) |
| State | New 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.