Route |
Starting point |
Ending point |
Towns along route |
Notes
|
NH 1A |
Massachusetts border in Seabrook |
U.S. 1 (Middle Street) in Portsmouth |
Seabrook, Hampton, North Hampton, Rye, Portsmouth |
Auxiliary route for U.S. 1. Continues into Massachusetts as Massachusetts Route 1A. Known as Ocean Boulevard for much of its length.
|
NH 1B |
NH 1A (Sagamore Road) near the Portsmouth/Rye town line |
U.S.1 in Portsmouth, near the Maine border |
Portsmouth, Rye, New Castle |
Auxiliary route for U.S.1.
|
NH 3A (southern) |
Massachusetts border in Hudson |
U.S. 3 (South Main Street) in Concord |
Hudson, Litchfield, Manchester, Hooksett, Bow, Concord |
Auxiliary route for U.S. 3. Continues into Massachusetts as Massachusetts Route 3A.
|
NH 3A (northern) |
U.S. 3/NH 127 (Central Avenue) in Franklin |
I-93 exit 26 in Plymouth |
Franklin, Hill, Bristol, Bridgewater, Plymouth |
Auxiliary route for U.S. 3.
|
NH 4 |
NH 9/NH 108 (Central Avenue) in Dover. |
Maine border in Dover |
Dover |
Continues into Maine as ME 4. Unrelated to nearby U.S. 4.
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Example |
Example |
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