Route information | ||||
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Maintained by CTDOT | ||||
Length | 54.46 mi [1] (87.64 km) | |||
Existed | 1922–present | |||
Major junctions | ||||
South end | I-95 / US 1 / Route 184 in Groton | |||
North end | Route 12 at Dudley, MA | |||
Location | ||||
Country | United States | |||
State | Connecticut | |||
Counties | New London, Windham | |||
Highway system | ||||
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Connecticut Route 12 is a state highway that runs between Groton and the state line in Thompson.
Route 12 was preceded by New England Interstate Route 12. The southern terminus of NE-12 was originally at New London, Connecticut. It travelled along present-day Route 32 (along the west bank of the Thames River) from New London to Norwich, Connecticut. In 1932, when Connecticut decommissioned its New England Routes, Route 12 swapped places with Route 32 south of Norwich. From Norwich to the Massachusetts border, Route 12 still follows its 1920s alignment.
Route 12 from Groton to Norwich is a primary route, serving the Naval Submarine Base New London and is known as the U.S. Submarine Veterans Memorial Highway. North of Norwich, Route 12 is a minor road closely paralleling Interstate 395. Route 12 goes through the following towns: Groton, Ledyard, Preston, Norwich, Lisbon, Griswold, Canterbury (0.14 miles only), Plainfield, Killingly, Putnam, and Thompson.
County | Location | mi | km | Destinations | Notes | ||
---|---|---|---|---|---|---|---|
New London | Groton | 0.0 | 0.0 | US 1 north – Groton City | Southern terminus | ||
0.22 | 0.35 | I-95 south / US 1 south / Route 184 east – New London, Providence, Ledyard | Exit 1 on Route 184 | ||||
Ledyard | 6.86 | 11.04 | Route 214 east – Ledyard | ||||
Preston | 9.08 | 14.61 | Route 2A west to I-395 – Uncasville | Southern terminus of Route 2A overlap | |||
9.38 | 15.10 | Route 2A east – Hallville | Northern terminus of Route 2A overlap | ||||
Norwich | 12.12 | 19.51 | Route 2 west to Route 32 – Hartford | Western terminus of Route 2 overlap | |||
12.43 | 20.00 | Route 2 east – Stonington | Northern terminus of Route 2 overlap | ||||
15.19 | 24.45 | Route 97 north – Taftville | |||||
Lisbon | 19.62 | 31.58 | I-395 – Worcester, New Haven | Exits 21A-B on I-395 | |||
20.43 | 32.88 | Route 138 west – Newent | Southern terminus of Route 138 overlap | ||||
Griswold | 20.82 | 33.51 | Route 138 east – Pachaug | Northern terminus of Route 138 overlap | |||
21.05 | 33.88 | Route 201 south – Hopeville Pond State Park | |||||
Windham | Plainfield | 27.50 | 44.26 | Route 14A west – Plainfield, Canterbury | Southern terminus of Route 14A overlap | ||
27.91 | 44.92 | Route 14A east to I-395 – Sterling | Northern terminus of Route 14A overlap | ||||
30.31 | 48.78 | Route 14 east to I-395 – Moosup | Southern terminus of Route 14 overlap | ||||
30.59 | 49.23 | Route 14 west – Canterbury | Northern terminus of Route 14 overlap | ||||
32.12 | 51.69 | Route 205 north – Wauregan, Brooklyn | |||||
Killingly | 36.15 | 58.18 | US 6 east to I-395 – Providence | Southern terminus of US 6 overlap | |||
36.51 | 58.76 | US 6 west – Hartford | Northern terminus of US 6 overlap | ||||
39.46 | 63.50 | Route 101 to I-395 – Dayville, East Killingly | |||||
42.04 | 67.66 | Route 21 north – Putnam Heights | |||||
Putnam | 45.58 | 73.35 | US 44 west – Pomfret | Southern terminus of US 44 overlap | |||
46.02 | 74.06 | Route 171 west – Woodstock | |||||
46.22 | 74.38 | US 44 east to I-395 – East Putnam | Northern terminus of US 44 overlap | ||||
Thompson | 48.17 | 77.52 | Route 193 north – Webster, MA | ||||
48.88 | 78.66 | I-395 south – Norwich, New Haven | Exit 49 on I-395 | ||||
49.88 | 80.27 | Route 200 east – Thompson | |||||
51.95 | 83.61 | Route 131 west – Quinebaug, Southbridge, MA | |||||
54.46 | 87.64 | Route 12 north – Auburn, Worcester | Continuation into Massachusetts | ||||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi |
The Thames River is a short river and tidal estuary in the state of Connecticut. It flows south for 15 miles (24 km) through eastern Connecticut from the junction of the Yantic River and Shetucket River at Norwich, Connecticut, to New London and Groton, Connecticut, which flank its mouth at Long Island Sound. The Thames River watershed includes a number of smaller basins and the 80-mile (130 km) long Quinebaug River, which rises in southern Massachusetts and joins the Shetucket River about four miles northeast of Norwich.
Interstate 395 (I-395) is an auxiliary Interstate Highway in the U.S. states of Connecticut and Massachusetts; it is maintained by the Connecticut Department of Transportation (CTDOT) and the Massachusetts Department of Transportation (MassDOT). Spanning nearly 67 miles (108 km) on a south–north axis, it is the only spur route of I-95 in Connecticut. The 36-mile (58 km) section between its splits from I-95 in East Lyme and SR 695 in Plainfield is a component highway of the Connecticut Turnpike. Within that state, the highway is named the American Ex-Prisoner of War Memorial Highway from Plainfield to Thompson.
The New England road marking system was a regional system of marked numbered routes in the six-state region of New England in the United States. The routes were marked by a yellow rectangular sign with black numbers and border. Many signs were painted on telephone poles. The routes were approved by the highway departments of the six New England states in April 1922.
New Hampshire Route 10 is a 122.25-mile-long (196.74 km) north–south state highway in western New Hampshire, United States. Its southern terminus is in Winchester at the Massachusetts state line, where it continues south as Massachusetts Route 10. Administratively, the northern terminus is at a junction with U.S. Route 302 in Haverhill.
New Hampshire Route 12 is a 62.773-mile (101.023 km) long north–south state highway in southwestern New Hampshire. Its southern terminus is at the Massachusetts state line in Fitzwilliam, where it continues south as Massachusetts Route 12. Its northern terminus is at the Vermont state line in Claremont, where it continues north as Vermont Route 12. Most of the northern part of NH 12 runs along the Connecticut River.
Route 2 is a 58.03-mile (93.39 km) state highway in Hartford and New London counties in Connecticut. It is a primary state route, with a freeway section connecting Hartford to Norwich and following surface roads to Stonington. The entire freeway section of Route 2 west of Route 169 is also known as the Veterans of Foreign Wars Memorial Highway Though it is labelled an east-west highway, it follows a northwest-southeast route, with large sections of the highway running north-south throughout its duration.
Interstate 95 (I-95) is the main north–south Interstate Highway on the East Coast of the United States, running in a general east–west compass direction for 111.57 miles (179.55 km) in Connecticut, from the New York state line to the Rhode Island state line. I-95 from Greenwich to East Lyme is part of the Connecticut Turnpike, during which it passes through the major cities of Stamford, Bridgeport, and New Haven. After leaving the turnpike in East Lyme, I-95 is known as the Jewish War Veterans Memorial Highway and passes through New London, Groton, and Mystic, before exiting the state through North Stonington at the Rhode Island border.
Route 32 is a 54.88-mile (88.32 km) primary north–south state highway in the U.S. state of Connecticut, beginning in New London and continuing via Willimantic to the Massachusetts state line, where it continues as Route 32 in that state.
Route 169 is a 47.36-mile-long (76.22 km) state highway in the U.S. states of Connecticut and Massachusetts. It begins in the city of Norwich, Connecticut, and runs 38 miles (61 km) through Northeastern Connecticut, continuing across the state line into Southbridge, Massachusetts. The route ends in Charlton after another nine miles (14 km). A portion of the route in the town center of Pomfret is on the National Register of Historic Places as Pomfret Street Historic District, and 32.10 miles (51.66 km) of the road is designated as the Connecticut State Route 169 National Scenic Byway.
Massachusetts Route 32 is a state highway in the U.S. state of Massachusetts. The highway runs 60.66 miles (97.62 km) from the Connecticut state line in Monson, where the highway continues as Connecticut Route 32, north to the New Hampshire state line in Royalston, where the highway continues as New Hampshire Route 32. Route 32 connects several towns on the eastern edge of Western Massachusetts. The highway serves Palmer in eastern Hampden County, Ware in eastern Hampshire County, and Barre and Athol in northwestern Worcester County. Route 32 intersects major east–west routes including U.S. Route 20 and the Massachusetts Turnpike in Palmer, Route 9 in Ware, and US 202 and Route 2 in Athol. The highway has an alternate route, Route 32A, through Hardwick and Petersham.
Route 2A is a state highway in the U.S. state of Connecticut. It is a 9.9-mile (15.9 km) mostly freeway alternate route of Route 2 that bypasses the downtown area of the city of Norwich and serves as the main access road to the Mohegan Sun casino.
Route 349 begins as a limited-access spur from I-95 leading to the city of Groton. It has full interchanges with I-95 and US 1. The limited-access portion is 1.9 miles (3.1 km) long and is known as the Clarence B. Sharp Highway.
Route 27 is a north–south state highway in southeastern Connecticut running for 3.21 miles (5.17 km) from U.S. Route 1 in Mystic to Route 184 in Old Mystic.
Route 82 is an east–west state highway in Connecticut running for 28.47 miles (45.82 km) from Route 9 in Chester to Route 2 and 32 in Norwich.
Route 131 is a 13.55-mile-long (21.81 km) state highway in the U.S. states of Massachusetts and Connecticut. It serves the southwestern portion of the Worcester metropolitan area. It begins at Route 12 in the North Grosvenordale section of the town of Thompson in Connecticut and ends at U.S. Route 20 in the center of Sturbridge in Massachusetts.
Route 215 is a state highway in southeastern Connecticut, running entirely within the town of Groton in a loop off US 1 through the Noank and West Mystic sections of Groton and also serves the Groton Long Point community.
Route 193 is a 9.40-mile-long (15.13 km) state highway in the U.S. states of Connecticut and Massachusetts. The route travels between the town centers of Thompson, Connecticut and Webster, Massachusetts. The road closely parallels Interstate 395 throughout its entire length. It is signed North-South, with the exception of one East-West Sign at the South end.
U.S. Route 1 (US 1) in the U.S. state of Connecticut is a major east–west U.S. Route along Long Island Sound. It has been replaced by Interstate 95 (I-95) as a through route, which it closely parallels, and now primarily serves as a local business route. Despite its largely east–west orientation, it is part of a north–south route and is mostly signed north–south.
Route 184 is a state highway in southeastern Connecticut, running from Groton to North Stonington.
Media related to Connecticut Route 12 at Wikimedia Commons