Connecticut Route 12

Connecticut Route 12

Route 12 marker

Route 12
Route information
Maintained by ConnDOT
Length: 54.46 mi[1] (87.64 km)
Existed: 1922 – present
Major junctions
South end: US 1 in Groton, CT
  US 6 in Killingly, CT
North end: Route 12 at Thompson
Highway system

Routes in Connecticut
Special Service Roads • State Roads

Route 11 Route 14

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

Contents

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.

Junction list

Town Milepost Junction Notes
Groton 0.0 US 1 Single interchange
0.1 I-95
0.2 Route 184
Ledyard 6.9 Route 214
Preston 9.1-9.4 Route 2A
Norwich 12.1-12.4 Route 2
15.2 Route 97
Lisbon 19.6 I-395
20.4 Route 138 Begin overlap
Griswold 20.8 Route 138 End overlap
21.0 Route 201
Plainfield 27.5-27.9 Route 14A
30.3-30.6 Route 14
32.1 Route 205
Killingly 36.2-36.5 US 6
39.5 Route 101
42.0 Route 21
Putnam 45.6-46.2 US 44
Thompson 48.2 Route 193
48.9 I-395
49.9 Route 200
52.0 Route 131

References

Portal icon Connecticut portal
Portal icon U.S. Roads portal

External links


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