Connecticut Route 12

Connecticut Route 12 is a state highway that runs between Groton and the state line in Thompson.

Route 12
Map of eastern Connecticut with Route 12 highlighted in red
Route information
Maintained by ConnDOT
Length54.46 mi[1] (87.64 km)
Existed1922–present
Major junctions
South end US 1 in Groton
 
North end Route 12 at Dudley, MA
Location
CountiesNew London, Windham
Highway system
  • Routes in Connecticut
Route 11 Route 14
Route 11N.E. Route 12A

History

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 description

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.

Route 12 in Groton near its southern end

Junction list

CountyLocationmikmDestinationsNotes
New LondonGroton0.00.0 US 1 south Downtown Groton
0.110.18 I-95 New London, Providence, RII-95 Exit 85
0.220.35 Route 184 east Center Groton, Ledyard
Ledyard6.8611.04 Route 214 east Ledyard
Preston9.0814.61 Route 2A west to I-395 / Conn. Turnpike UncasvilleWestern terminus of CT 2A overlap
9.3815.10 Route 2A east HallvilleEastern terminus of CT 2A overlap
Norwich12.1219.51 Route 2 west HartfordWestern terminus of CT 2 overlap
12.4320.00 Route 2 east StoningtonEastern terminus of CT 2 overlap
15.1924.45 Route 97 north Taftville
Lisbon19.6231.58 I-395 / Conn. Turnpike Worcester, MA, New HavenI-395/Conn. Tpk. Exits 21 A-B
20.4332.88 Route 138 west NewentWestern terminus of CT 138 overlap
Griswold20.8233.51 Route 138 east PachaugEastern terminus of CT 138 overlap
21.0533.88 Route 201 south Hopeville Pond State Park
WindhamPlainfield27.5044.26 Route 14A west Plainfield, CanterburyWestern terminus of CT 14A overlap
27.9144.92 Route 14A east to I-395 / Conn. Turnpike Sterling
30.3148.78 Route 14 east to I-395 / Conn. Turnpike MoosupEastern terminus of CT 14 overlap
30.5949.23 Route 14 west CanterburyWestern terminus of CT 14 overlap
32.1251.69 Route 205 north Wauregan, Brooklyn
Killingly36.1558.18 US 6 east to I-395 Providence, RIEastern terminus of US 6 overlap
36.5158.76 US 6 west HartfordWestern terminus of US 6 overlap
39.4663.50 Route 101 to I-395 Dayville, East Killingly
42.0467.66 Route 21 north Putnam Heights
Putnam45.5873.35 US 44 west PomfretWestern terminus of US 44 overlap
46.0274.06 Route 171 west Woodstock
46.2274.38 US 44 east to I-395 East PutnamEastern terminus of US 44 overlap
Thompson48.1777.52 Route 193 north Webster, MA
48.8878.66 I-395 south Norwich, New HavenI-395 Exit 49, partial interchange
49.8880.27 Route 200 east Thompson
51.9583.61 Route 131 west Quinebaug, Southbridge, MA
54.4687.64 Route 12 north Auburn, WorcesterContinues into Webster as MA 12
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

KML is from Wikidata

Media related to Connecticut Route 12 at Wikimedia Commons

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