New Hampshire Route 28 | ||||
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 Map of southeastern New Hampshire with NH 28 highlighted in red | ||||
| Route information | ||||
| Maintained by NHDOT | ||||
| Length | 85.413 mi[1] (137.459 km) | |||
| Major junctions | ||||
| South end |  Route 28 in Methuen, MA | |||
| North end |  NH 16 in Ossipee | |||
| Location | ||||
| Country | United States | |||
| State | New Hampshire | |||
| Counties | Rockingham, Hillsborough, Merrimack, Belknap, Carroll | |||
| Highway system | ||||
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New Hampshire Route 28 is an 85.413-mile-long (137.459 km) north–south state highway in eastern New Hampshire. It connects the town of Ossipee in east-central New Hampshire with Salem on the Massachusetts border, while passing through Manchester, the largest city in the state.
The southern terminus of NH 28 is on the Massachusetts state line in Salem in south central New Hampshire, from where Massachusetts Route 28 continues south into the city of Methuen and beyond to Boston and Cape Cod. The northern terminus is at the junction with New Hampshire Route 16, the White Mountain Road, in Ossipee, in northern New Hampshire.
Route 28 parallels Interstate 93 south of Manchester, going slightly northwest, but it goes northeast north of Manchester.