New Hampshire Route 77

New Hampshire Route 77 (abbreviated NH 77) is a 17.874-mile-long (28.765 km) secondary north–south highway in Hillsborough and Merrimack counties in southern New Hampshire. It runs from Dunbarton to New Boston.

Map of NH-77, New Hampshire, USA

The northern terminus of NH 77 is in Dunbarton at New Hampshire Route 13. The southern terminus is in New Boston at New Hampshire Route 13 and New Hampshire Route 136.