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List of Interstate Highways in New Hampshire
| Interstate Highways of the New Hampshire Highway System | |
|---|---|
  Highway marker for Interstates 93 and 293 | |
 Interstate Highways highlighted in red | |
| System information | |
| Formed | August 14, 1957[1] |
| Highway names | |
| Interstates | Interstate nn (I-nn) |
| System links | |
The Interstate Highways in New Hampshire comprise three current primary Interstate Highways and two auxiliary Interstates. In addition, one auxiliary Interstate number has been decommissioned along with a lone business Interstate.
- ^ Official Route Numbering for the National System of Interstate and Defense Highways (Map). American Association of State Highway Officials. August 14, 1957. Retrieved November 22, 2010.
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