New Hampshire Route 9

New Hampshire Route 9
New Hampshire Route 9
	Map of southern New Hampshire with NH 9 highlighted in red
Route information
	Maintained by NHDOT
Length	109.910 mi (176.883 km)
Existed	1925–present
Major junctions
West end	VT 9 in Brattleboro, VT
	NH 10 / NH 12 / NH 101 in Keene; US 202 in Hillsborough; I-89 in Hopkinton; US 3 / US 202 in Concord; I-93 in Concord; I-393 / US 4 / US 202 in Pembroke; US 4 / NH 43 in Northwood; US 202 in Barrington; NH 16 / Spaulding Turnpike in Dover; NH 4 / NH 108 in Dover;
East end	SR 9 in Berwick, ME
Location
Country	United States
State	New Hampshire
Counties	Cheshire, Hillsborough, Merrimack, Rockingham, Strafford
Highway system
	New Hampshire Highway System; Interstate; US; State; Turnpikes;

New Hampshire Route 9 (abbreviated NH 9 and also known as the Franklin Pierce Highway^[2]) is a 109.910-mile-long (176.883 km) state highway located in southern New Hampshire. It runs across the state from west to east and is a multi-state route with Vermont and Maine, part of 1920s-era New England Interstate Route 9.

The western terminus of NH 9 is at the Vermont state line in Chesterfield, where it connects to Vermont Route 9. Its eastern terminus is at the Maine state line in Somersworth, where it connects to Maine State Route 9.

Two large sections of NH 9, totaling 44.438 miles (71.516 km), are cosigned with U.S. Route 202. By combined mileage of the two sections, US 202 and NH 9 share the longest concurrency in New Hampshire.

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^ http://franklinpierce.ws/highway.pdf ^{[bare URL PDF]}

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