List of U.S. Highways in Connecticut

United States Numbered Highways in the U.S. state of Connecticut, are numbered by the American Association of State Highway and Transportation Officials (AASHTO) and maintained by the Connecticut Department of Transportation, a total of 547.75 miles (881.52 km) as a system of state highways and are numbered from 1 to 202.

United States Numbered Highway System
U.S. Route 5 markerU.S. Route 44 markerU.S. Route 202 marker
US Route markers
System information
Length547.75 mi (881.52 km)
NotesU.S. Highways in Connecticut maintained by ConnDOT
Highway names
InterstatesInterstate X (I-X)
US HighwaysU.S. Route X (US X)
StateRoute X
System links
  • Routes in Connecticut


In 1926, the U.S. highway system was implemented. U.S. Routes 1, 5, 6, and 7, plus 202 were used as designations on several primary state highways, replacing New England routes 1, 2, 3, and 4, respectively. The other New England routes that were not re-designated as U.S. routes became ordinary state highways but kept their number designation, which are used even today (with some realignment).

US HighwaysEdit

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
  US 1 117.37 188.89 01926-01-011926 current US 1 enters from New York and runs parallel to Long Island Sound within Connecticut, crossing the Housatonic River on the Washington Bridge and the Connecticut River on the Raymond E. Baldwin Bridge. US 1 exits the state at the Rhode Island border.
  US 5 54.59 87.85 01926-01-011926 current US 5 runs from I-91 in New Haven to the Massachusetts border, at Enfield; notably duplexed with CT 15 from Meriden to East Hartford.
  US 5A 16.82 27.07 Main Street at HartfordWindsor town line MA 159 in Suffield 01968-01-011968 now CT 159
  US 6 116.33 187.21 01926-01-011926 current US 6 enters from New York. After a four way concurrency with I-84, US 7, and US 202 in Danbury, US 6 continues to Thomaston, Bristol and Farmington, where it becomes a dual-leveled viaduct. It continues to Hartford and crosses the Connecticut River on the Bulkeley Bridge and continues to the Rhode Island border.
  US 6A
  US 7 78.29 126.00 01926-01-011926 current US 7 runs from I-95 (Connecticut Turnpike) overlapping a four way concurrency with I-84 US 6 and US 202 in Danbury, continuing through northwestern Connecticut to the Massachusetts border.
  US 44 106.03 170.64 01934-01-011934 current US 44 runs from the New York border and northwestern rural Connecticut and overlaps with I-84 and US 6 in Hartford and E. Hartford and northeastern rural Connecticut to the Rhode Island border.
  US 202 75.14 120.93 01935-01-011935 current US 202 enters from New York overlapping a four way concurrency with I-84, US 6 and US 7 in Danbury at Exits 4 and 7. They remain a freeway for a short stretch but then 202 splits off to a two-lane road in New Milford, continues through Torrington and on to Cherry Brook, where it then runs concurrently with US 44 for several miles before turning northward at Avon overlapping with CT 10 to the Massachusetts state line.
  •       Former

See alsoEdit


External linksEdit