List of Interstate Highways in Connecticut

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Dwight D. Eisenhower National System of Interstate and Defense Highways
Interstate 84 markerInterstate 691 marker
Standard Interstate Highway signs in Connecticut
A map of the Interstate Highways in Connecticut
All Interstate Highways in Connecticut
System information
Length: 446.33 mi (718.30 km)
Notes: Interstate Highways in Connecticut maintained by ConnDOT
Highway names
Interstates: Interstate X
US Routes: U.S. Route X
State: State Route X
System links
  • Routes in Connecticut

Interstate Highways in the U.S. state of Connecticut run a total of 446.33 miles (718.30 km). Connecticut has three primary highways and five auxiliary highways. Most of the highways are maintained by the Connecticut Department of Transportation, with the exception of Interstate 684, which is maintained by the New York State DOT.[1]

In 1957, Connecticut received approval for the routes of its three primary Interstate highways: I-84, I-91, and I-95. This plan was extended in 1959 to include I-291 and I-491. The first Interstate Highway signs were installed on a completed section of I-91 north of Hartford in 1961. The primary interstates were all completed by 1969 after the last section of I-84 opened between Farmington and Plainville. The rest of the highways were built or renumbered to their current designations by 1994 when a five mile section of I-291 opened 35 years behind schedule. Connecticut was one of the last states in the US to raise its maximum speed limit to 65 mph (105 km/h), which it did in 1998.[2]

Though parts of the Interstate Highway System in Connecticut were once tolled, no toll booths exist today. All tolls on I-95 were removed in 1985 after a runaway truck ran into a line of cars waiting at a booth, killing seven.[2][3]

Current Interstate Highways[edit]


Highway Major Cities Length (mi) Length (km) Description Date established Notes
I-84 Danbury, Waterbury, Cheshire, Southington, New Britain, West Hartford, Hartford, East Hartford, Manchester, Vernon[4] 97.90 157.55 I-84 enters from New York. After a four way concurrency with US 6, US 7, and US 202 in Danbury, I-84 continues to Waterbury, where it becomes a duel-leveled viaduct. It continues to Hartford and intersects with I-91. I-84 crosses the Connecticut River on the Bulkeley Bridge and continues the Massachusetts border. 1969[5] [1]
I-91 New Haven, Wallingford, Meriden, Middletown, Hartford, Windsor, Enfield[6] 58.00 93.34 I-91 begins at exit 48 on I-95. It runs parallel to the Wilbur Cross Parkway from New Haven until Meriden. I-91 continues north to Hartford where it intersects with I-84. From here, it runs parallel to the Connecticut River north past Bradley International Airport to the Massachusetts border. 1959[7] [1]
I-95 Greenwich, Stamford, Norwalk, Fairfield, Bridgeport, Stratford, Milford, West Haven, New Haven, East Haven, New London, Groton[8] 111.57 179.55 I-95 enters from New York and runs parallel to the Long Island Sound throughout its length in Connecticut. After crossing the Housatonic River on the Moses Wheeler Bridge, I-95 intersects I-91 in New Haven. It crosses the Connecticut River on the Raymond E. Baldwin Bridge. Most of I-95 in Connecticut is part of the Connecticut Turnpike, except for the easternmost sections after the intersection with I-395. I-95 leaves the state at the Rhode Island border. 1964[9] [1]


Highway Major Cities Length (mi) Length (km) Description Date established Notes
I-291 Windsor, Manchester[10] 6.40 10.30 I-291 serves as a northeastern bypass of Hartford. It connects I-91 with I-84. 1994[11] [1]
I-384 East Hartford, Manchester[12] 8.53 13.73 I-384 is a spur from I-84 to Manchester. 1971[13] [1]
I-395 Norwich[14] 54.69 88.02 I-395 is part of the Connecticut Turnpike's route from its southern terminus at I-95 until exit 70. From there, it continues north to the Massachusetts border. 1968[15] [1]
I-684 Greenwich[16] 1.41 2.27 I-684 cuts through the Connecticut panhandle without any exits, and is maintained by the New York State DOT. 1968[17] [1]
I-691 Southington, Cheshire, Meriden[18] 8.92 14.36 I-691 is a connection between I-84 and I-91 almost halfway between New Haven and Hartford. 1988[19] [1]

Former and Unbuilt Interstate Highways[edit]


Interstate Highways in Connecticut
I-384 in Manchester 
I-291 and the Bissell Bridge in Windsor 
I-84 and the Bulkeley Bridge in Hartford 
I-691 in Cheshire 

See also[edit]


  1. ^ a b c d e f g h i "Connecticut State Numbered Routes and Roads Highway Log". ConnDOT. 31 December 2010. Retrieved 9 February 2013. 
  2. ^ a b "Timeline". Kurumi. 17 January 2013. Retrieved 10 February 2013. 
  3. ^ Satija, Neena. "Thirty years later, is Connecticut ready to reinstate tolls?". The CT Mirror. The Connecticut News Project. Retrieved 29 November 2013. 
  4. ^ Google Inc. "Interstate 84". Google Maps (Map). Cartography by Google, Inc.,-72.512512&spn=1.387249,3.348083&sll=42.025515,-72.133913&sspn=0.043037,0.104628&geocode=FfqLdwIdRtSd-w%3BFbhUgQId2Umz-w&t=h&mra=me&mrsp=1,0&sz=14&z=9. Retrieved 9 February 2013.
  5. ^ "I-84". Kurumi. Retrieved 9 February 2013. 
  6. ^ Google Inc. "Interstate 91". Google Maps (Map). Cartography by Google, Inc.,-72.669067&spn=1.386499,3.348083&sll=42.017162,-72.583623&sspn=0.021522,0.052314&geocode=FccxdgIdmWmn-w%3BFfY-gQIdzV6s-w&t=h&mra=mift&mrsp=1&sz=15&z=9. Retrieved 9 February 2013.
  7. ^ "I-91". Kurumi. Retrieved 9 February 2013. 
  8. ^ Google Inc. "Interstate 95". Google Maps (Map). Cartography by Google, Inc.,-72.509766&spn=1.388616,3.348083&sll=41.439831,-71.793122&sspn=0.021716,0.052314&geocode=FdeFcQIdMQuc-w%3BFXpbeAIdFHi4-w&t=h&mra=mift&mrsp=1&sz=15&z=9. Retrieved 9 February 2013.
  9. ^ "I-95". Kurumi. Retrieved 9 February 2013. 
  10. ^ Google Inc. "Interstate 291". Google Maps (Map). Cartography by Google, Inc.,-72.602634&spn=0.08639,0.209255&sll=41.788049,-72.575898&sspn=0.021599,0.052314&geocode=FbgTfgIdDyir-w%3BFV2jfQIdorqs-w&t=h&mra=me&mrsp=1,0&sz=15&z=13. Retrieved 9 February 2013.
  11. ^ "I-291". Kurumi. Retrieved 9 February 2013. 
  12. ^ Google Inc. "Interstate 384". Google Maps (Map). Cartography by Google, Inc.,-72.506504&spn=0.086421,0.209255&sll=41.788377,-72.446755&sspn=0.0054,0.013078&geocode=FedmfQIdWXCs-w%3BFXmpfQIdvYyu-w&t=h&mra=mift&mrsp=1&sz=17&z=13. Retrieved 9 February 2013.
  13. ^ "I-384". Kurumi. Retrieved 9 February 2013. 
  14. ^ Google Inc. "Interstate 395". Google Maps (Map). Cartography by Google, Inc.,-72.567444&spn=1.386676,3.348083&sll=42.021339,-71.853805&sspn=0.02152,0.052314&geocode=FRBVdwIdvmmy-w%3BFZA8gQIdYH-3-w&t=h&mra=mift&mrsp=1&sz=15&z=9. Retrieved 9 February 2013.
  15. ^ "I-395". Kurumi. Retrieved 9 February 2013. 
  16. ^ Google Inc. "Interstate 684". Google Maps (Map). Cartography by Google, Inc.,-73.688393&spn=0.087321,0.209255&sll=41.106487,-73.7041&sspn=0.021827,0.052314&geocode=FZ73cgIdNSib-w%3BFcJBcwIdbD2b-w&t=h&mra=mift&mrsp=1&sz=15&z=13. Retrieved 9 February 2013.
  17. ^ "I-684". Kurumi. Retrieved 9 February 2013. 
  18. ^ Google Inc. "Interstate 691". Google Maps (Map). Cartography by Google, Inc.,-72.838669&spn=0.086726,0.209255&sll=41.535824,-72.760863&sspn=0.010842,0.026157&geocode=FckpegIdBWOn-w%3BFQbOeQIdVcKp-w&t=h&mra=mift&mrsp=1&sz=16&z=13. Retrieved 9 February 2013.
  19. ^ "I-691". Kurumi. Retrieved 9 February 2013. 

External links[edit]