U.S. Route 3

(Redirected from US 3)

U.S. Route 3 (US 3) is a United States Numbered Highway running 277.90 miles (447.24 km) from Cambridge, Massachusetts, through New Hampshire, to the Canada–United States border near Third Connecticut Lake, where it connects to Quebec Route 257.

U.S. Route 3 marker
U.S. Route 3
Map
US 3 highlighted in red and US 3 Bus. highlighted in blue
Route information
Length277.90 mi[citation needed] (447.24 km)
Existed1926[citation needed]–present
Major junctions
South end Route 2A / Route 3 in Cambridge, MA
Major intersections
North end R-257 near Chartierville, Quebec
Location
CountryUnited States
StatesMassachusetts, New Hampshire
CountiesMA: Middlesex
NH: Hillsborough, Merrimack, Belknap, Grafton, Coös
Highway system
US 2US US 4
Route 2AMA Route 3
US 2NH NH 3A
Route 5N.E. Route 6A

Massachusetts Route 3 connects to the southern terminus of US 3 in Cambridge and continues south to Cape Cod. Though it shares a number, it has never been part of US 3. Both routes, which connect end-to-end, are treated as a single 91.3-mile (146.9 km) state highway by the Massachusetts Department of Transportation (MassDOT). From Cambridge to Burlington, US 3 is routed on surface streets through the dense suburbs in the Greater Boston area. After a brief concurrency with Interstate 95 (I-95) and Route 128, the route follows its own freeway northwest, bypassing Lowell and entering New Hampshire at Nashua, becoming the Everett Turnpike.

In New Hampshire, current and former parts of US 3 are known as the Daniel Webster Highway. From Burlington, Massachusetts, to Nashua, New Hampshire, US 3 is a freeway. The segment in New Hampshire is a free portion of the Everett Turnpike, while the portion in Massachusetts is known as the Northwest Expressway. From where it leaves the Everett Turnpike in Nashua northward, US 3 is generally a two-to-four lane at-grade road, though there are two super-two freeway portions in northern New Hampshire, one on the Laconia Bypass, and one where US 3 and I-93 use the Franconia Notch Parkway. The route serves as a major local arterial, connecting many of the cities of the densely populated Merrimack Valley. North of the White Mountains, the route serves as one of the only north–south roads connecting the communities of the Great North Woods Region and has New Hampshire's only border crossing between the US and Canada.

Route description

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Lengths
  mi[1] km
MA 35.70 57.45
NH 241.953 389.386
Total 277.653 446.839

Massachusetts

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Cambridge to Burlington

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US 3 begins in the south along Memorial Drive in Cambridge, along the Charles River, at an interchange with Massachusetts Avenue (Route 2A). The road continues as southbound Route 3 toward Downtown Boston, while northbound US 3 heads west, then north along the river toward Harvard University, joining with Route 2 along the way. It runs along the north bank of the Charles River, opposite Soldiers Field Road in Allston along this stretch. Passing south of Harvard Square, US 3 and Route 2 transition onto the Fresh Pond Parkway and join Route 16. Near Alewife station, Route 2 splits off as a freeway to the west (Concord Turnpike), while US 3 and Route 16 stay on the Alewife Brook Parkway. Shortly thereafter, US 3 splits from the parkway (which continues as Route 16) and joins Route 2A (Massachusetts Avenue) westbound, crossing into Arlington. In the center of town, US 3 and Route 2A split from Massachusetts Avenue and overlap briefly with Route 60 before continuing along Mystic Street. Route 2A splits from US 3 just to the north. US 3 continues through parts of Winchester and Woburn without any major intersections before entering Burlington and interchanging with I-95 and Route 128 (Yankee Division Highway) at exit 51A. US 3 joins the freeway to connect with the Northwest Expressway, while its historic surface alignment continues as Route 3A.

Burlington to Tyngsborough (Northwest Expressway)

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KML is not from Wikidata
 
Signage on US Route 3, approaching the intersection with Interstate 495 and Massachusetts Route 110 in Chelmsford

US 3 runs along 1.6 miles (2.6 km) of I-95 (Route 128) in a wrong-way concurrency before exiting at exit 50A onto its own freeway, the Northwest Expressway.

Originally built in the 1950s, before the cancelation of the Inner Belt, the US 3 freeway was to have extended into metro Boston before being truncated to I-95. Consequently, a partially completed cloverleaf interchange connects US 3 to I-95. Exit numbers on the US 3 freeway start at milemarker 72 since Route 3 and US 3 are counted as one highway by MassDOT.

The freeway closely parallels Route 3A, the historic alignment of US 3, along its entire 19-mile (31 km) length from Burlington to the New Hampshire state border. It passes through Billerica and into Chelmsford, where it connects with I-495 and the Lowell Connector, a freeway spur into downtown Lowell. Continuing north, the freeway briefly enters Lowell, then passes through North Chelmsford and Tyngsborough before crossing the state line into Nashua, New Hampshire. The freeway continues north as the Everett Turnpike.

The Burlington to Tyngsborough area maintains a 501(c)(6) nonprofit representative entity known as the Middlesex 3 Coalition[2] and its affiliate agency the Middlesex 3 TMA,[3] which provides collaborative support to businesses and individuals within the jurisdiction to build consensus on transportation and developmental needs.

New Hampshire

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US 3 passes through most of the state's major cities and towns and is the only highway to extend from the Massachusetts state border in the south to the Canadian border in the north. Running for 242 miles (389 km) in New Hampshire, US 3 is by far the longest signed highway in the state. For much of its routing, US 3 closely parallels I-93, serving as a local route to the freeway.

Everett Turnpike (Nashua)

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US 3 crosses the state border into Nashua and immediately becomes concurrent with the Everett Turnpike, running on the freeway for 6.7 miles (10.8 km) along the western side of the city.

Daniel Webster Highway, local roads, and NH 28 concurrency (Nashua – Suncook)

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US 3 leaves the Everett Turnpike at exit 7E, crosses New Hampshire Route 101A (NH 101A) and turns northeast for approximately 1.5 miles (2.4 km) along a segment known as the Henri Burque Highway, before turning north onto Concord Street, which soon becomes known as the Daniel Webster Highway. (Some locals erroneously refer to the Everett Turnpike from exit 7 through the I-293 interchange as US 3 and refer to the actual US 3 only as the Daniel Webster Highway or "Old Route 3".)

US 3 continues north through the town of Merrimack and into Bedford, where it becomes South River Road. The highway parallels I-293 until it turns east in Manchester and then crosses the Merrimack River on Queen City Avenue, just after its intersection with I-293/NH 3A and NH 114A. US 3 and NH 3A are signed in a wrong-way concurrency for approximately 0.6 miles (0.97 km) before US 3 turns north onto Elm Street toward downtown Manchester. After approximately 2.2 miles (3.5 km), US 3 turns east onto Webster Street, then joins NH 28 to proceed in a northeasterly direction toward Hooksett, interchanging with I-93. The two routes continue as Hooksett Road, then the Daniel Webster Highway.

In Concord

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In Suncook, NH 28 leaves to the northeast, and US 3 proceeds northwest toward Concord on Pembroke Street, becoming Manchester Street when it enters the Concord city limits. After crossing the Merrimack River and interchanging with I-93, US 3 intersects NH 3A (South Main Street), which terminates at its parent route. US 3 traverses downtown Concord as North and South Main streets (briefly overlapping with US 202 and NH 9), then follows North State Street to Fisherville Road to Village Street in Penacook before crossing the Contoocook River into Boscawen.

Further north (Boscawen – Lincoln)

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US 3 travels north through Boscawen, briefly overlapping with US 4. The highway parallels the Merrimack River north into Franklin, where the highway meets NH 11. US 3 joins NH 11 and turns east; NH 3A also resumes at this intersection, continuing north. US 3 and NH 11 briefly form a three-route concurrency with NH 127 in Franklin, then pass through Tilton, crossing NH 132 and passing the western end of NH 140. Continuing northeast past Lake Winnisquam, US 3 and NH 11 reach Laconia and turn onto the Laconia–Gilford Bypass, intersecting with NH 106, NH 107, and NH 11A. At the northern end of the bypass, US 3 and NH 11 split after a 17.3-mile (27.8 km) overlap, with the U.S. Route continuing north on Lake Street to Weirs Beach and an intersection with NH 11B. US 3 continues north as the Daniel Webster Highway to Meredith at the northern end of Meredith Bay on Lake Winnipesaukee. In Meredith, US 3 intersects the northern terminus of NH 106, then joins NH 25 and continues north past Squam Lake into Holderness, passing the western terminuses of NH 25B and NH 113. Through Holderness, US 3 and NH 25 gradually turn west, then southwest, passing the southern end of NH 175 and then reaching the northern end of NH 132 in Ashland.

 
US 3 in Lincoln, New Hampshire

From Ashland to North Woodstock, US 3 proceeds north, roughly paralleling I-93 in the Pemigewasset River valley. Along this stretch it passes through the towns of Plymouth (NH 25 splits from US 3 near I-93 in Plymouth, which also marks the true northern terminus of NH 3A), West Campton (where it meets the western end of NH 49, the principal access road to Waterville Valley), Thornton, and Woodstock. In North Woodstock, US 3 crosses NH 112 (known to the east as the Kancamagus Highway).

Interstate 93 concurrency through the Franconia Notch State Park (Lincoln – Franconia)

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Continuing north, US 3 joins with I-93 as it passes through Franconia Notch State Park, one of the more scenic drives in the White Mountains. This stretch of freeway is known as the Franconia Notch Parkway and is a rare section of Interstate Highway with only one lane in each direction.

Northernmost end (Franconia – Pittsburg)

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US 3 separates from I-93 at exit 35, shortly north of the northern park boundary in Franconia. From there, NH 141 branches northwest and US 3 heads north and east toward Twin Mountain and a junction with US 302. This portion of the road is noted for fairly frequent moose sightings, especially during sunrise and sunset when moose are particularly active.

Heading north from Twin Mountain, US 3 passes through the village of Carroll, where NH 115 branches to the northeast and US 3 bears to the northwest and the town of Whitefield. In the center of Whitefield, NH 142 branches to the northwest and NH 116 crosses, running roughly southwest to northeast. US 3 continues north to Lancaster, where it joins US 2 in the town center, and where NH 135 branches off to the west. After US 2 leaves to the west, US 3 continues north, roughly paralleling the course of the Connecticut River (which also forms the border with Vermont), through Northumberland and Groveton, where NH 110 ends. North of Groveton, US 3 continues to follow the river, through Stratford, North Stratford, and Columbia, until it reaches Colebrook, where it crosses NH 26 and meets the southern terminus of NH 145. Still following the Connecticut River north, US 3 passes through portions of Stewartstown and Clarksville. In Stewartstown, the road turns more directly east (still following the Connecticut River, which is no longer a boundary), before resuming a northeasterly direction through Pittsburg. Its last major intersection is at the northern terminus of NH 145. US 3 continues north for another 22 miles (35 km), eventually reaching the Pittsburg–Chartierville Border Crossing, where the road crosses into Chartierville, Quebec, and becomes Quebec Route 257.

In total, US 3 runs along the Connecticut River and its source lakes for approximately 70 miles (110 km). Sections of US 3 in Colebrook are named after Scott E. Phillips and Leslie G. Lord, members of the New Hampshire State Police killed in the line of duty on August 19, 1997.[4]

History

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New England route

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Before the establishment of the U.S. Numbered Highway System, the section of US 3 and Route 3 from Orleans, Massachusetts, to Colebrook, New Hampshire, was part of the New England road marking system as New England Route 6. It was replaced in its entirety with the establishment of US 3 and Route 3 in 1926.

Massachusetts

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US 3 in Massachusetts closely follows the route of the early 19th-century Middlesex Canal and Middlesex Turnpike.

The modern Northwest Expressway was begun near Route 110 in Lowell before World War II. In the 1950s, it was extended south to Route 128 (later overlapped by I-95), and, by the 1960s, it was completed north from Chelmsford to New Hampshire. By 2005, the chronically congested four-lane road, largely with antiquated ramps around Lowell, was widened to six lanes (as it had been in Nashua, New Hampshire, a few years prior) with a breakdown lane on both the left and right sides of the road, and many interchanges were modernized in what was comically known as "The Big Wide", in reference to Massachusetts' other "Big" construction project (the Big Dig). The roadbed and bridges were built to support a fourth lane in each travel direction for future expansion. The $365-million (equivalent to $547 million in 2023[5]), 21-mile (34 km) widening project was completed in 2005 from Burlington to the New Hampshire border.

The final section of the expressway was planned for inner suburban towns northwest of Boston. The expressway was to supply a new route for US 3, between Route 128 and the canceled I-695 (Inner Belt). This was one of the expressway projects canceled in Governor Francis Sargent's 1970 moratorium on expressway construction within Route 128. The latter section of the expressway was a key component of the "Master Plan Highway Plan for Metropolitan Boston". The highway would have traveled through Lexington, Arlington, Medford, Somerville, and Cambridge, before linking with the Inner Belt Expressway.[citation needed]

The original plan called for US 3 and Route 2 to link up at the Lexington–Arlington border and continue southeasterly, crossing Route 16/Mystic Valley Parkway at the Arlington–Somerville border and proceeding into Cambridge toward Union Square, Somerville. A 1962 plan called for Route 2 and US 3 to converge at Alewife Brook Parkway with a longer stretch of new highway for US 3 paralleling Lowell Street in Lexington and Summer Street in Arlington.[citation needed]

Exit numbers along the Northwest Expressway section in Massachusetts were to be changed to mileage based numbers under a project to start in 2016,[6] but that project was postponed.[7] In November 2019, the MassDOT announced it would be proceeding with the project in 2020.[8]

Termini

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According to the American Association of State Highway and Transportation Officials (AASHTO) route log, the southern terminus of US 3 is at the junction of Route 2A and Route 3 in Cambridge, which is where Route 2A crosses the Charles along the Harvard Bridge (also known as the Massachusetts Avenue Bridge).[9] This is a change from AASHTO's 1989 Route Log which placed the terminus at US 20 in Boston, where Route 2 currently meets US 20 after crossing the Charles River at the Boston University Bridge.[10] This was where US 3 met US 1 until that highway was rerouted in 1971.

The original northern terminus of US 3 (in 1926) was at Colebrook, New Hampshire, but the highway was extended to West Stewartstown in 1928 and to Pittsburg in 1937. Colebrook was the northern terminus again from 1939 to 1940. Since 1940, the highway has run through Pittsburg to the Pittsburg–Chartierville Border Crossing.

Major intersections

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Although MassDOT inventories Route 3 and US 3 as one continuous route, this table includes the mileage only for US 3 starting from its southern terminus in Cambridge.

StateCountyLocation[1][11]mi[12][1][11]kmOld exitNew exit[13]DestinationsNotes
MassachusettsMiddlesexCambridge0.0000.000 
 
Route 3 south (Memorial Drive) – Boston
Continuation south
  Route 2A (Massachusetts Avenue / Harvard Bridge) – Cambridge, RoxburyDiamond interchange; no southbound access to Route 2A west
1.0471.685 
 
Route 2 east (Boston University Bridge) – Cambridgeport, Brookline
Roundabout interchange; south end of concurrency with Route 2
3.9756.397 
 
Route 16 west (Huron Avenue) – Watertown, West Newton
South end of concurrency with Route 16
5.4448.761 
 
Route 2 west (Concord Turnpike) – Concord
North end of concurrency with Route 2
5.8209.366 
 
 
 
Route 2A east (Massachusetts Avenue) / Route 16 east / Alewife Brook Parkway – Medford, Harvard Square, Cambridge
North end of concurrency with Route 16; south end of concurrency with Route 2A
Arlington7.19811.584 
 
Route 60 west (Pleasant Street) – Belmont
South end of concurrency with Route 60
7.28311.721 
 
Route 60 east (Chestnut Street) – Medford, Malden
North end of concurrency with Route 60
7.45712.001 
 
Route 2A west (Summer Street) / Mystic Valley Parkway – Lexington, Concord
North end of concurrency with Route 2A
Burlington13.44221.633Southern end of freeway section
3351 
 
 
 
I-95 north (Route 128 north) / Route 3A north – Burlington, Peabody, Portsmouth, NH
South end of wrong-way concurrency with I-95/Route 128; signed as exits 51A (I-95) and 51B (Route 3A)
14.87423.93732B50BMiddlesex Turnpike – Burlington
15.13624.35932A (NB)
25B (SB)
50A (NB)
72B (SB)
 
 
 
 
I-95 south / Route 128 south – Waltham, Providence, RI
North end of wrong-way concurrency with I-95/Route 128; Route 128 not signed northbound
Bedford17.64628.3982673  Route 62 – Burlington, Bedford
Billerica21.16734.0652776Concord Road – Billerica, Bedford
22.59136.3572878Treble Cove Road – North Billerica, Carlisle
Chelmsford24.69139.7362979  Route 129 – Billerica, Chelmsford
25.55441.12530B80 
 
 
Lowell Connector north to I-495 north – Lawrence
Northbound exit and southbound entrance
25.554–
26.108
41.125–
42.017
3081  I-495 / Lowell Connector north – Marlboro, LawrenceSigned as exits 81A (north) and 81B (south); no northbound access to I-495 north/Lowell; Lowell Connector not signed
26.57142.7623181C  Route 110 – Chelmsford, Lowell
28.76246.2883284  Route 4 (North Road) – North Chelmsford, Chelmsford
30.81949.5983386  Route 40 – Westford, North Chelmsford
Tyngsborough33.02953.1553488Westford Road – Tyngsborough, Westford
34.64455.7543590  Route 113 – Dunstable, Tyngsborough
Massachusetts
New Hampshire line
Middlesex
Hillsborough county line
Tyngsborough
Nashua line
36.104
0.000
58.104
0.000
3691Middlesex Road – Tyngsborough
Daniel Webster HighwaySouth Nashua NH
No southbound exit; northbound entrance extends into New Hampshire, where it merges with exit 1
Transition between Northwest Expressway and Everett Turnpike
New HampshireHillsboroughNashua0.8341.3421Spit Brook Road – South Nashua
1.5532.4992 
 
To NH 3A / Daniel Webster Highway – Hudson
Access via Circumferential Highway; signed as exit 1A from northbound collector-distributor lane
2.8194.5373Daniel Webster Highway – South NashuaSouthbound left exit and northbound entrance
3.0554.9174East Dunstable RoadFAA Center signage was removed at the request of the FAA shortly after 9/11
4.7247.6035  
 
NH 111 to NH 111A – Nashua, Hudson, Pepperell, MA
Signed as exits 5E (east) and 5W (west)
5.0598.1425ASimon StreetNorthbound exit only; formerly exit 5EA
6.28510.1156  NH 130 (Broad Street) – Nashua, Hollis, Brookline
6.78110.9137E-W  
 
NH 101A / Everett Turnpike north – Manchester, Concord, Nashua Downtown, Amherst, Milford
Northern end of concurrency with Everett Turnpike
Northern end of freeway section
Merrimack10.83217.432 
 
To Everett Turnpike
Access via Industrial Drive
12.10919.488  Everett Turnpike – Concord, BostonExit 11 on Everett Turnpike; access via Greeley Street
15.74525.339 
 
Everett Turnpike south
Exit 12 on Everett Turnpike; access via Bedford Road
Bedford17.874–
18.148
28.765–
29.206
 
 
 
 
  To NH 3A / Everett Turnpike – Manchester Airport, Litchfield, Concord, Nashua
Access via Raymond Wieczorek Drive
20.90033.635   
 
  I-293 / Everett Turnpike / NH 101 east – Boston, Concord, Manchester Airport
21.33134.329 
 
 
 
 
To NH 101 west / NH 114 – Bedford Ctr., Milford
Access via Kilton Road
Manchester22.69036.516  
 
 
 
I-293 / NH 3A north / NH 114A west – Concord, Boston
Exit 4 on I-293; eastern terminus of NH 114A; southern terminus of wrong-way concurrency with NH 3A
23.33337.551 
 
NH 3A south (South Elm Street)
Northern end of wrong-way concurrency with NH 3A
25.97441.801 
 
NH 28 south (Beech Street / Maple Street)
Southern end of concurrency with NH 28
MerrimackHooksett26.998–
27.591
43.449–
44.403
  
 
I-93 to NH 101 – Salem, Boston, Concord, Plymouth
Exit 9 on I-93
28.58646.005 
 
NH 28A south (Mammoth Road) – Londonderry
Northern terminus of NH 28A
29.08246.803 
 
NH 27 east – Candia, Raymond
Western terminus of NH 27
29.57847.601 
 
NH 28 Bypass south – Derry
Northern terminus of NH 28 Bypass
Allenstown35.23756.708 
 
NH 28 north – Epsom, Alton
Northern end of concurrency with NH 28
Pembroke39.50663.579 
 
NH 106 north – Loudon, Laconia
Southern terminus of NH 106
Concord41.70467.116Korean Veterans Memorial Bridge over the Merrimack River
41.775–
41.933
67.230–
67.485
  
 
 
 
 
 
I-93 (Everett Turnpike) to I-89 north / I-393 east – Manchester, Lebanon, Plymouth, Portsmouth
Exit 13 on I-93
42.17367.871 
 
NH 3A south (Main Street)
Southern end of silent concurrency with NH 3A
42.72968.766 
 
 
 
US 202 west / NH 9 west (Pleasant Street)
Southern end of concurrency with US 202 / NH 9
43.02469.240 
 
 
 
NH 9 east (Loudon Road) to I-93
Northern end of concurrency with NH 9
43.41169.863 
 
 
 
 
US 202 east to I-393 east
Northern end of concurrency with US 202
Boscawen50.81281.774 
 
 
 
US 4 east to I-93 – Concord
Southern end of concurrency with US 4
52.16883.956 
 
US 4 west – Salisbury, Andover
Northern end of concurrency with US 4
Franklin60.64597.599 
 
NH 127 south – Salisbury
Southern end of concurrency with NH 127
61.30798.664 
 
 
 
NH 3A north / NH 11 west – Andover, Bristol
Northern end of concurrency with NH 3A; southern end of concurrency with NH 11
61.75599.385 
 
NH 127 north – New Hampton
Northern end of concurrency with NH 127
BelknapTilton64.925104.487 
 
 
 
 
NH 132 south to I-93 south – Northfield, Concord
Southern end of concurrency with NH 132
66.203–
66.586
106.543–
107.160
  
 
I-93 / NH 140 east – Canterbury, Concord, Boston, New Hampton, Plymouth, Belmont, Gilmanton
Exit 20 on I-93; western terminus of NH 140
66.678107.308 
 
NH 132 north – Sanbornton
Northern end of concurrency with NH 132
Belmont72.845117.233 
 
NH 11A east – Laconia downtown
Western terminus of NH 11A
Laconia74.355119.663  
 
NH 106 to NH 107 – Laconia, Belmont, Concord
Interchange; no southbound access to NH 106 north
74.999120.699  NH 107 – Laconia, GilmantonInterchange; southbound exit and northbound entrance
Gilford76.040122.375  NH 11A – Gilford, LaconiaInterchange
78.649126.573 
 
NH 11 east – Alton
Northern end of concurrency with NH 11
GilfordLaconia line79.442127.850 
 
NH 107 south (Union Ave.) – Laconia
Northern terminus of NH 107
Laconia82.684133.067 
 
NH 11B south – Gilford, Alton Bay
Northern terminus of NH 11B
Meredith86.334138.941 
 
NH 106 south – Laconia
Northern terminus of NH 106
86.847139.767 
 
 
 
NH 104 west to I-93 – New Hampton
Eastern terminus of NH 104
87.693141.128 
 
NH 25 east – Center Harbor, Ossipee, Conway
Southern end of concurrency with NH 25
Center Harbor90.778146.093  NH 25B – Center HarborWestern terminus of NH 25B
GraftonHolderness95.526153.734  NH 113 – SandwichSouthern terminus of NH 113
96.661155.561  NH 175 – CamptonSouthern terminus of NH 175
Ashland99.271159.761  NH 132 – New Hampton, TiltonNorthern terminus of NH 132
99.958–
100.339
160.867–
161.480
  I-93 – Tilton, Concord, Plymouth, CamptonExit 24 on I-93
Plymouth105.397169.620  
 
NH 175A to I-93 – Holderness
Western terminus of NH 175A
106.202170.916 
 
 
 
 
 
NH 3A south / NH 25 west to I-93 – Rumney, Bristol, Concord, Littleton
Interchange; northern end of concurrency with NH 25; northern terminus of NH 3A
Campton109.525176.263  I-93 – Campton, Littleton, Plymouth, ConcordAccess via Blair Road; exit 27 on I-93
112.375180.850  
 
NH 49 to I-93 – Campton, Waterville Valley
Western terminus of NH 49
Thornton113.804–
114.101
183.150–
183.628
  I-93 – Plymouth, Concord, Franconia, LittletonExit 29 on I-93
Woodstock120.410–
120.910
193.781–
194.586
  I-93 – Franconia, Littleton, St. Johnsbury, VT, Plymouth, ConcordExit 30 on I-93
125.420201.844  NH 175 – CamptonNorthern terminus of NH 175
126.031202.827  
 
NH 112 to I-93 – Lincoln, Conway, Woodsville
Lincoln128.210–
128.394
206.334–
206.630
  I-93 – Concord, LittletonExit 33 on I-93
131.562211.72934A 
 
I-93 south
Southbound exit only; southern end of concurrency with I-93
Franconia135.923218.74734BCannon Mountain Tramway – Old Man Historic Site
136.623219.87334C  NH 18 – Echo Lake Beach, Peabody Slopes, Cannon Mountain, South FranconiaSouthern terminus of NH 18
138.080222.21835 
 
I-93 north
Northbound exit only; northern end of concurrency with I-93
139.044223.770  
 
 
NH 141 to I-93 north – Franconia
Eastern terminus of NH 141
CoosCarroll148.497238.983  US 302 – Bethlehem, Bretton Woods, ConwayVillage of Twin Mountain
150.510242.222  NH 115 – Jefferson, Berlin, GorhamSouthern terminus of NH 115
Whitefield156.871252.459 
 
 
 
NH 116 south / NH 142 south – Bethlehem, Littleton
Southern end of concurrency with NH 116 / NH 142
156.918252.535 
 
NH 142 north – Dalton
Northern end of concurrency with NH 142
156.959252.601 
 
NH 116 north – Jefferson, Gorham
Northern end of concurrency with NH 116
Lancaster165.330266.073 
 
US 2 east – Jefferson, Gorham, Berlin
Southern end of concurrency with US 2
165.372266.140  NH 135 – Dalton, Gilman VTNorthern terminus of NH 135
166.126267.354 
 
US 2 west – Vermont
Northern end of concurrency with US 2
Northumberland175.152281.880  NH 110 – Stark, BerlinWestern terminus of NH 110; village of Groveton
North Stratford188.576303.484 
 
VT 105 west – Bloomfield VT
Access via Bridge Street
Colebrook201.458324.215 
 
NH 26 east – Dixville Notch
Southern end of concurrency with NH 26
201.565324.387 
 
NH 26 west (Bridge Street)
Northern end of concurrency with NH 26
201.647324.519 
 
NH 145 north – Clarksville
Southern terminus of NH 145
Pittsburg219.573353.368 
 
NH 145 south – Colebrook
Northern terminus of NH 145
241.953389.386  R-257 northContinuation into Quebec
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Special routes

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US 3 has one existing special route, a business route through Laconia, New Hampshire. Four other special routes may have existed in the past: an alternate and business route between Tyngsborough, Massachusetts, and Concord, New Hampshire, and bypass routes around Concord and Nashua, New Hampshire.

Tyngsborough–Concord alternate route

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U.S. Route 3 Alternate
LocationTyngsborough, MassachusettsConcord, New Hampshire

Tyngsborough–Concord business route

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U.S. Route 3 Business
LocationTyngsborough, MassachusettsConcord, New Hampshire

Concord bypass route

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U.S. Route 3 Bypass
LocationConcord, New Hampshire

Nashua bypass route

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U.S. Route 3 Bypass
LocationNashua, New Hampshire

Laconia business loop

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U.S. Route 3 Business
LocationBelmontLaconia, New Hampshire
Length4.144 mi[1] (6.669 km)
 
US 3 Bus. sign

U.S. Route 3 Business (US 3 Bus.) is a 4.144-mile-long (6.669 km)[1] signed business route running north–south through downtown Laconia, New Hampshire. It runs from US 3 and NH 11 in Belmont north to US 3 in Laconia, along NH 107 and NH 11A. It is a former alignment of US 3, used before the Laconia–Gilford bypass was built.

See also

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References

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  1. ^ a b c d e Bureau of Planning & Community Assistance (February 20, 2015). "NH Public Roads". Concord, New Hampshire: New Hampshire Department of Transportation. Retrieved April 7, 2015.
  2. ^ "Middlesex 3". www.middlesex3.com. Middlesex 3 Coalition. January 1, 2022. Retrieved February 20, 2022.
  3. ^ "Middlesex 3 (TMA)". middlesex3tma.com. Middlesex 3 Transportation Management Association (TMA). January 1, 2022. Retrieved February 20, 2022.
  4. ^ "New Memorial Highway Signs, Colebrook, New Hampshire". NH.gov (Press release). New Hampshire Department of Safety. May 15, 2019. Retrieved July 14, 2021.
  5. ^ Johnston, Louis; Williamson, Samuel H. (2023). "What Was the U.S. GDP Then?". MeasuringWorth. Retrieved November 30, 2023. United States Gross Domestic Product deflator figures follow the MeasuringWorth series.
  6. ^ COMMBUYS Solicitation:FAP# HSIP-002S(874) Exit Signage Conversion to Milepost-Based Numbering System along Various Interstates, Routes and the Lowell Connector, Commonwealth of Massachusetts
  7. ^ Robert H. Malme (2017). "Massachusetts Interstate Highways Exit Lists". Retrieved January 18, 2017.
  8. ^ "Milepost-based Exit Renumbering" (PDF). Massachusetts Department of Transportation. December 5, 2019. Retrieved December 5, 2019.
  9. ^ "Route Number Database". AASHTO. 2009. Retrieved October 14, 2015.
  10. ^ "U.S. Numbered Highways, 1989 Edition" (PDF). AASHTO. 1989. Retrieved October 14, 2015.
  11. ^ a b Bureau of Planning & Community Assistance (April 3, 2015). "Nodal Reference 2015, State of New Hampshire". New Hampshire Department of Transportation. Retrieved April 7, 2015.[permanent dead link]
  12. ^ Planning Division (2012). "Massachusetts Highway Route Log". Massachusetts Department of Transportation. Archived from the original on August 18, 2018. Retrieved February 2, 2017.
  13. ^ "US 3 Exit Renumbering" (PDF). Massachusetts Department of Transportation. December 5, 2019. Archived from the original (PDF) on October 23, 2020. Retrieved December 24, 2019.
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Browse numbered routes
  Route 2AMA  Route 3
  US 2NH  NH 3A
  Route 5N.E.  Route 6A