New Hampshire Route 142

New Hampshire Route 142
290x172px Map of northern New Hampshire with NH 142 highlighted in red
Route information
Maintained by NHDOT
Length:	19.688 mi (31.685 km)
Major junctions
South end:	NH 18 in Franconia
	I‑93 in Franconia US 302 in Bethlehem US 3 in Whitefield
North end:	NH 135 in Dalton
Location
Counties:	Grafton, Coos
Highway system
New Hampshire Highway System Interstate U.S. State Turnpikes ← NH 141 NH 145 →

New Hampshire Route 142 (abbreviated NH 142) is a 19.688-mile-long (31.685 km) north–south state highway in northern New Hampshire. The highway runs between Franconia in the White Mountains Region to Dalton in the upper Connecticut River valley.

The southern terminus of NH 142 is at the junction with New Hampshire Route 18 in Franconia. The highway winds north through Bethlehem and Whitefield, then turns northwest to Dalton. NH 142 runs concurrently with New Hampshire Route 116 for 3.659 miles (5.889 km) in Whitefield. The northern terminus is in Dalton at New Hampshire Route 135, the Connecticut River Road.

Major intersections

County	Location	mi	km	Destinations	Notes
Grafton	Franconia	0.000	0.000	NH 18 to I‑93 north – So. Franconia, Franconia	Southern terminus
		0.072– 0.126	0.116– 0.203	I‑93 south – Lincoln, Plymouth	Exit 37 on I-93 north
	Bethlehem	5.338	8.591	US 302 west – Littleton	Southern end of concurrency with US 302
		5.367	8.637	US 302 east – Twin Mountain	Northern end of concurrency with US 302
Coos	Whitefield	10.200	16.415	NH 116 west – Littleton	Southern end of concurrency with NH 116
		13.812	22.228	US 3 south – Twin Mountain	Southern end of concurrency with US 3
		13.859	22.304	US 3 north – Lancaster NH 116 east – Jefferson, Gorham	Northern end of concurrency with US 3 / NH 116
	Dalton	19.688	31.685	NH 135 – Dalton, Gilman VT, Lancaster	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus       Incomplete access