|Maintained by NHDOT|
|Length||16.059 mi (25.844 km)|
|South end||Mammoth Road in Dracut, MA|
| NH 111 in Windham|
NH 102 in Londonderry
|North end||NH 28 in Londonderry|
New Hampshire Route 128 (abbreviated NH 128) is a 16.059-mile-long (25.844 km) north–south highway in southeastern New Hampshire. NH 128 runs from the Massachusetts border in Pelham northward to Londonderry, south of Manchester. NH 128 is named Mammoth Road throughout its entire length.
The southern terminus of NH 128 is at the Massachusetts state line in the town of Pelham, where the road continues into Massachusetts as an unnumbered road in the town of Dracut. The road, however, is still named Mammoth Road in Dracut. The northern terminus is at New Hampshire Route 28 in Londonderry. Mammoth Road continues northward along NH 28 and then New Hampshire Route 28A.
|Hillsborough||Pelham||0.000||0.000||Mammoth Road – Dracut||Massachusetts–New Hampshire state line|
NH 111A east – Pelham, Salem
|Western terminus of the middle segment of NH 111A|
|Rockingham||Windham||7.759||12.487||NH 111 – Hudson, Salem|
NH 102 to I-93 – Hudson, Derry
NH 28 to I-93 – Manchester, Derry
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi|
- Bureau of Planning & Community Assistance (February 20, 2015). "NH Public Roads". Concord, New Hampshire: New Hampshire Department of Transportation. Retrieved April 7, 2015.
- Bureau of Planning & Community Assistance (April 3, 2015). "Nodal Reference 2015, State of New Hampshire". New Hampshire Department of Transportation. Retrieved April 7, 2015.[permanent dead link]