New Hampshire Route 3A

New Hampshire Route 3A is a designation held by two separate state highways in New Hampshire. The two segments, although not directly connected, are linked by U.S. Route 3, from which they derive their route number.

New Hampshire Route 3A
Route 3A highlighted in blue
Route information
Auxiliary route of US 3
Maintained by NHDOT
Southern segment
Length39.412 mi[1] (63.427 km)
South end Route 3A in Tyngsborough, MA
Major
junctions
North end US 3 in Concord
Northern segment
Length31.015 mi[1] (49.914 km)
South end US 3 / NH 11 / NH 127 in Franklin
Major
junctions		 US 3 / NH 25 in Plymouth
North end I-93 in Plymouth
Location
CountiesHillsborough, Merrimack, Grafton
Highway system
← US 3NH 4 →
← Route 5N.E.Route 7 →
Old style Route 3A shield, still seen widely throughout the state

Route description

Southern segment

The southern terminus of the 39.40-mile-long (63.41 km) southern segment is at the Massachusetts state line in Hudson, where it continues south as Massachusetts Route 3A. The northern terminus is in the city of Concord at US 3. This segment of NH 3A follows the Merrimack River for its entire length. The route begins in Hudson at the Massachusetts line and shortly intersects the eastern end of the Nashua Circumferential Highway, which provides access to US 3 and the F.E. Everett Turnpike. NH 3A passes through Hudson Village, the historic center of town, where it intersects with NH 111 just across the river from downtown Nashua. NH 102 begins at this intersection and is cosigned with NH 3A for its first mile, before 3A splits to the north west, while 102 continues on towards Londonderry. NH 3A continues along the eastern bank of the river, through Litchfield and into the city of Manchester, where it crosses under I-293/NH 101 and follows a short surface alignment in the southwest section of town. NH 3A intersects with US 3 and is actually cosigned with it (in a wrong-way concurrency) on Queen City Avenue across the river, where the two routes intersect NH 114A at its eastern terminus. At this point, NH 3A leaves US 3 and merges onto I-293 northbound (which also carries the Everett Turnpike) at exit 4. NH 3A is concurrent with I-293 for 3 miles (5 km), departing at exit 7 and crossing into Hooksett. The highway immediately interchanges with I-93 (which it parallels for the remainder of its length) near the northern terminus of I-293, and continues north (now paralleling on the west side of the river). Hackett Hill Road provides another access point to I-93, while nearby Main Street connects to US 3/NH 28 across the river. NH 3A enters Bow and meets the southern end of the I-89 freeway before crossing into the city limits of Concord. The highway interchanges with I-93 one last time before ending at US 3 just south of downtown Concord.

Northern segment

The southern terminus of the 30.93-mile-long (49.78 km) northern segment is in the city of Franklin at US 3, NH 11, and NH 127. Where US 3 takes a more easterly route from here, NH 3A continues due north, following the western bank of the Pemigewasset River along North Main Street. North of Franklin, it enters the town of Hill, continuing to follow the Pemigewasset, passing through the William H. Thomas State Forest on the way to the town of Bristol. It forms the main commercial thoroughfare through Bristol, with a brief concurrency with NH 104 in the center of town, following first South Main Street, then Pleasant Street, and finally Lake Street. At Bristol, 3A leaves the Pemigewasset, which turns east here, and continues north into Bridgewater and the southern shores of Newfound Lake. Following the Mayhew Turnpike along the eastern side of Newfound Lake through Bridgewater, 3A continues through rural areas on the eastern side of Hebron and the western side of Plymouth. In Plymouth, the route joins with NH 25 and heads due east to rejoin US 3 at an interchange with Interstate 93, US 3 and NH 25, which is the northern terminus of this segment.

History
NH 3A in the town of Bow

From 1922 to 1926, Route 3A was part of the New England road marking system as New England Route 6A (NE-6A). In 1926, all roads designated as NE-6A were changed to New Hampshire Route 3A and Massachusetts Route 3A to accommodate the change of New England Route 6 to U.S. Route 3.

Junction list

Southern segment
CountyLocation[1][2]mi[1][2]kmDestinationsNotes
HillsboroughHudson0.0000.000 Route 3A (Frost Road) – TyngsboroughContinuation from Massachusetts
2.1703.492 Circumferential Highway to US 3 / Everett Turnpike – Boston, South Nashua
5.0368.105 NH 111 (Ferry Street) / NH 102 – NashuaWestern terminus of NH 102; southern end of concurrency with NH 102
6.0449.727 NH 102 east (Derry Road) – DerryNorthern end of concurrency with NH 102
Manchester16.8227.07Raymond Wieczorek Drive To US 3 / Everett Turnpike – Manchester Airport, Merrimack, BedfordInterchange; via Roundstone Drive
19.214–
19.314		30.922–
31.083		 I-293 / NH 101 – Salem, Concord, Portsmouth, Bedford, NashuaExit 2 on I-293
21.25734.210 US 3 north (Elm Street)Southern end of wrong-way concurrency with US 3
21.900–
21.918		35.245–
35.274		 US 3 south (Second Street) / NH 114A
I-293 south / Everett Turnpike south – Boston		Northern end of wrong-way concurrency with US 3; southern end of concurrency with I-293
Exit 4 on I-293; eastern terminus of NH 114A
23.29037.482Granite Street – W. ManchesterExit 5 on I-293
24.47239.384Amoskeag Street / Goffstown RoadExit 6 on I-293
24.90840.086 I-293 north / Everett Turnpike northExit 7 on I-293; northern end of concurrency with I-293; northbound exit and southbound entrance
MerrimackHooksett27.298–
27.673		43.932–
44.535		 I-93 – Salem, Boston, Concord, Plymouth[lower-alpha 1]Exit 10 on I-93
30.86749.676 Hackett Hill Road to I-93 – Concord, ManchesterExit 11 on I-93
Bow37.60160.513 I-89 north – Bow, LebanonSouthern terminus of I-89
Concord38.003–
38.340		61.160–
61.702		 I-93 to I-89 – Plymouth, Littleton, Manchester, Lebanon[lower-alpha 1]Exit 12 on I-93
39.41263.427 US 3 (Water Street / South Main Street)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
  1. The Everett Turnpike is unsigned along I-93 from the I-293 interchange to its northern terminus in Concord at exit 14.

Northern segment
CountyLocation[1][3]mi[1][3]kmDestinationsNotes
MerrimackFranklin0.0000.000 US 3 north / NH 127 east / NH 11 east (Central Street) – Downtown Franklin, Tilton, Laconia
US 3 south (South Main Street) / NH 127 west – Salisbury, Concord		Southern terminus of northern segment; southern end of concurrency with NH 11
1.0201.642 NH 11 west (Webster Lake Road) – AndoverNorthern end of concurrency with NH 11
GraftonBristol13.10921.097 NH 104 east (Summer Street) to I-93 – New HamptonSouthern end of concurrency with NH 104
13.30521.412 NH 104 west (Pleasant Street) – DanburyNorthern end of concurrency with NH 104
Plymouth27.00943.467 NH 25 west – Rumney, WoodsvilleSouthern end of concurrency with NH 25
30.54749.161 US 3 / NH 25 east (Main Street) – Plymouth, CamptonInterchange; northern end of concurrency with NH 25
31.01549.914 I-93 (Styles Bridges Highway) – Campton, Littleton, Ashland, ConcordNorthern terminus; Exit 26 on I-93
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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See also

References
  1. Bureau of Planning & Community Assistance (February 20, 2015). "NH Public Roads". Concord, New Hampshire: New Hampshire Department of Transportation. Retrieved April 7, 2015.
  2. Bureau of Planning & Community Assistance (April 3, 2015). "Nodal Reference 2015, State of New Hampshire". New Hampshire Department of Transportation. Retrieved April 7, 2015.
  3. Bureau of Planning & Community Assistance (April 3, 2015). "Nodal Reference 2015, State of New Hampshire". New Hampshire Department of Transportation. Retrieved April 7, 2015.

KML is not from Wikidata

Southern segment

Northern segment
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