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List of state routes in Connecticut

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State Routes in Connecticut
Standard Connecticut route shields
System information
Length3,719 mi (5,985 km)
NotesRoutes are generally state-maintained. There is also a system of unsigned state highways known as State Roads (SR) and Special Service Roads (SSR).


State roads maintained by the CTDOT.
Highway names
InterstatesInterstate X (I-X)
US HighwaysU.S. Route X (US X)
System links
  • Connecticut State Highway System

The Connecticut Department of Transportation (CTDOT) maintains a system of state highways to serve the predominant flow of traffic between towns within Connecticut, and to towns in surrounding states. State highways also include roads that provide access to federal and state facilities (Special Service Roads).

The state highway system consists of roads indicated on the official CTDOT map and highway log. As of January 1, 2007, the state highway system contains a total of 3,719 miles (5,985 km) of roads (not including ramps and interchange connections), corresponding to approximately 20% of all roads in the state. All state highways are state-maintained except for several segments (totaling 4 miles) that are locally maintained. Interstate highways and U.S. highways in the state are not Connecticut state routes, however they are maintained by the state.

All state highways are given a number designation. All state highways are assigned Route numbers. Route numbers are in the 2–999 range. State highways that are special service roads are assigned SSR numbers and are unsigned; these numbers are above 399 and are used for internal CTDOT purposes. Signposted state highways that are not U.S. highways or interstates are signed with the square Connecticut state highway shield.

State Routes

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Routes are signed state highways and are assigned numbers from 1 to 399 (with the exception of I-684 and I-691). All state, U.S. and Interstate highways are part of the same numbering system. In 1926, the U.S. highway system was implemented. U.S. Routes 1, 5, 6, and 7 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). In 1958, Connecticut received approval for the route numbers of its three primary Interstate highways: I-84, I-91, and I-95. State highways with the same number designation as the Interstate highways were renumbered to avoid duplication of route numbers.

Number Length (mi)[1] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
Route 2 58.03 93.39 Columbus Boulevard in Hartford US 1 in Stonington 01932-01-011932 current
Route 2A 9.91 15.95 I-395 / Route 2 / Route 32 in Norwich Route 2 in Preston 01967-01-011967 current
Route 3 14.48 23.30 Route 66 in Middletown Route 2 in East Hartford 01941-01-011941 current Extended in 1991
Route 4 46.72 75.19 Route 41 / Route 343 in Sharon Farmington Avenue in West Hartford 01932-01-011932 current
Route 8 67.36 108.41 I-95 in Bridgeport MA 8 in Colebrook 01922-01-011922 current Rerouted in 1951
Route 8A 1.31 2.11 US 1 in Stratford Route 8 in Stratford 01932-01-011932[2] 01951-01-011951 Now Route 110
Route 9 40.89 65.81 I-95 in Old Saybrook I-84 in West Hartford 01932-01-011932[3] current
Route 9A 15.4 24.8 Route 9 in Essex Route 9 in Middletown 01968-01-011968 01986-01-011986 Now Route 154
Route 10 54.28 87.36 I-95 in New Haven US 202 / MA 10 in Granby 01922-01-011922 current
Route 10A 3.62 5.83 Whitney Avenue in New Haven Route 10 in Hamden 01932-01-011932 01970-01-011970
Route 11 7.42 11.94 Route 82 in Salem Route 2 in Colchester 01971-07-011971 current Length includes only completed portion
Route 12 54.46 87.64 US 1 in Groton MA 12 in Thompson 01922-01-011922 current
Route 14 24.33 39.16 Route 66 in Windham RI 14 in Sterling 01932-01-011932[3] current
Route 14A 10.27 16.53 Route 14 in Plainfield Route 14 in Sterling 01963-01-011963 current
Route 15 83.53 134.43 Hutchinson River Parkway at the New York state line in Greenwich I-84 / US 6 in East Hartford 01932-01-011932[4] current Includes Merritt Parkway, Wilbur Cross Parkway, Berlin Turnpike, and Wilbur Cross Highway, Relocated in 1948
Route 15A 3.02 4.86 Route 15 / US 6A in Portland Route 15 in Portland 01932-01-011932 01948-01-011948 Now Route 17A
Route 16 17.05 27.44 Route 66 in East Hampton Route 207 in Lebanon 01934-01-011934 current Extended in 1963
Route 16A — — — — 01942-01-011942 01963-01-011963 ㅤ
Route 17 36.41 58.60 Middletown Avenue in New Haven Route 2 in Glastonbury 01948-01-011948 current
Route 17A 3.02 4.86 Route 17 / Route 66 in Portland Route 17 in Portland 01948-01-011948 current
Route 18 2.23 3.59 Route 72 in Cromwell Route 9 in Cromwell 01940-01-011940 01951-01-011951 Now Route 372
Route 19 6.99 11.25 Route 190 in Stafford MA 19 in Stafford 01932-01-011932 current
Route 20 31.56 50.79 Route 8 in Winchester I-91 in Windsor 01932-01-011932[4] current Includes part of Bradley Airport Connector
Route 21 5.67 9.12 Route 12 in Killingly Route 193 in Thompson 01944-01-011944 current
Route 22 14.07 22.64 Route 10 in Hamden US 1 in Guilford 01951-01-011951 current
Route 25 28.59 46.01 I-95 in Bridgeport US 202 in Brookfield 01932-01-011932[4] current
Route 25A — — — — 01932-01-011932[4] 01933-01-011933 Now part of Route 25
Route 27 3.21 5.17 US 1 in Stonington Route 184 in Groton 01950-01-011950 current
Route 29 9.41 15.14 US 1 in Darien Westchester Avenue at the New York state line in New Canaan 01932-01-011932 01966-01-011966 Renumbered Route 124 to match New York
Route 30 20.94 33.70 I-291 / US 5 in South Windsor Route 190 in Stafford 01943-01-011943 current
Route 31 14.34 23.08 Route 74 in Vernon Route 32 in Mansfield 01942-01-011942 current Extended in 1963
Route 32 54.88 88.32 Crystal Avenue (SSR 437) in New London MA 32 in Stafford 01922-01-011922 current Realigned in 1932
Route 33 14.41 23.19 I-95 / Route 136 in Westport Route 35 in Ridgefield 01932-01-011932[4] current
Route 34 21.88 35.21 Washington Street in Newtown Route 10 in New Haven 01932-01-011932[2] current Removed from the Oak Street Connector in 2023.
Route 35 5.66 9.11 NY 35 in Ridgefield US 7 in Ridgefield 01932-01-011932[4] current
Route 35A 1.02 1.64 West Lane at the New York state line in Ridgefield Route 35 in Ridgefield 01933-01-011933 01963-01-011963 Replaced by unsigned SR 835
Route 37 18.66 30.03 Route 39 / Route 53 / Downs Street (SR 841) in Danbury US 7 in New Milford 01932-01-011932[2] current
Route 39 22.76 36.63 Route 37 / Route 53 / Downs Street (SR 841) in Danbury Route 55 in Sherman 01932-01-011932 current
Route 40 3.08 4.96 I-91 in North Haven Route 10 in Hamden 01976-01-011976 current
Route 41 17.86 28.74 Amenia Union Road at the New York state line in Sharon MA 41 in Salisbury 01932-01-011932[5] current
Route 42 13.66 21.98 Route 67 in Oxford Route 10 in Cheshire 01963-01-011963 current
Route 43 5.06 8.14 Route 4 / Route 128 in Cornwall Route 63 in Cornwall 01932-01-011932 current
Route 45 10.29 16.56 US 202 in Washington US 7 in Cornwall 01932-01-011932 current
Route 47 12.27 19.75 US 6 in Woodbury US 202 in Washington 01932-01-011932[2] current
Route 49 17.96 28.90 Route 4 in Torrington Norfolk Road at the Massachusetts state line in Norfolk 01932-01-011932[2] 01954-01-011954 Replaced by extended Route 72; this road became Route 272 in 1963
Route 49 21.74 34.99 Route 2 in Stonington Route 14A in Sterling 01959-01-011959 current
Route 51 9.4 15.1 Route 156 in Old Lyme US 1 / I-95 in East Lyme 01962-01-011962 01976-01-011976 Former route of US 1, replaced by US 1 again when it was rerouted off of I-95
Route 52 54.69 88.02 I-95 in Waterford MA 52 in Thompson 01964-01-011964 01983-01-011983 replaced by I-395 when it was rerouted off of I-95
Route 53 23.57 37.93 US 1 in Norwalk Route 37 / Route 39 / Downs Street (SR 841) in Danbury 01932-01-011932 current
Route 55 2.64 4.25 NY 55 in Sherman US 7 in New Milford 01932-01-011932 current
Route 57 9.51 15.30 Route 33 in Westport US 7 in Wilton 01932-01-011932[2] current
Route 58 18.58 29.90 US 1 in Fairfield Route 302 in Bethel 01932-01-011932 current
Route 58A 1.23 1.98 — — 01932-01-011932 01935-01-011935 Renumbered US 202A in 1935
Route 59 12.05 19.39 US 1 in Bridgeport Route 25 in Monroe 01932-01-011932 current
Route 61 9.16 14.74 US 6 in Woodbury Route 63 in Morris 01932-01-011932[4] current
Route 63 52.57 84.60 Route 10 in New Haven US 7 in Canaan 01932-01-011932[2] current
Route 64 8.14 13.10 US 6 in Woodbury I-84 in Waterbury 01932-01-011932 current
Route 65 9.66 15.55 US-1 in Bridgeport Route 8 in Shelton 01932-01-011932[4] 01951-01-011951 Redesignated as part of a rerouted Route 8 in 1951.
Route 65A 2.91 4.68 Route 65 in Trumbull Route 65 in Shelton 01944-01-011944 01951-01-011951 Now Route 108
Route 66 38.38 61.77 I-91 / I-691 in Meriden US 6 in Windham 01968-01-011968 current
Route 67 31.00 49.89 US 7 / US 202 in New Milford Route 63 in Woodbridge 01932-01-011932 current
Route 67A 1.20 1.93 Route 133 in Bridgewater Route 67 in Bridgewater 01959-01-011959 01963-01-011963 Replaced by unsigned SR 867
Route 68 22.09 35.55 Route 63 in Naugatuck Route 17 in Durham 01932-01-011932[4] current
Route 69 35.16 56.58 Route 63 in New Haven Route 4 in Burlington 01932-01-011932 current
Route 70 10.92 17.57 I-84 / Waterbury Road (SR 801) in Cheshire Route 71 in Meriden 01932-01-011932[5] current
Route 71 19.19 30.88 US 5 in Wallingford Route 173 in West Hartford 01932-01-011932 current
Route 71A 2.92 4.70 Route 71 in Berlin Buell Street in New Britain 01978-01-011978 current
Route 72 20.05 32.27 Route 9 in New Britain Route 4 in Harwinton 01932-01-011932 current
Route 73 3.46 5.57 Route 63 in Watertown Route 8 in Waterbury 01932-01-011932[4] current
Route 74 22.21 35.74 Route 194 in South Windsor US 44 in Ashford 01932-01-011932 current
Route 75 13.52 21.76 Route 159 in Windsor MA 75 in Suffield 01932-01-011932[5] current
Route 76 — — — — — 01951-01-011951
Route 77 13.85 22.29 Route 146 in Guilford Route 17 in Durham 01932-01-011932[2] current
Route 78 0.43 0.69 Route 2 in Stonington RI 78 in Stonington 01979-01-011979 current
Route 79 14.34 23.08 US 1 in Madison Route 17 in Durham 01932-01-011932[4] current
Route 80 25.91 41.70 Route 17 in New Haven Route 154 in Deep River 01932-01-011932[5] current
Route 81 15.75 25.35 US 1 in Clinton Route 154 in Haddam 01932-01-011932[5] current
Route 82 28.47 45.82 Route 9 in Chester Route 2 / Route 32 in Norwich 01932-01-011932[2] current
Route 83 27.56 44.35 New London Turnpike in Glastonbury MA 83 in Somers 01932-01-011932[4] current
Route 84 — — — — — 01959-01-011959[6] Renumbered Route 95, and is now Route 184 because of I-84
Route 85 37.38 60.16 US 1 in New London US 6 / US 44 / Cider Mill Road (SR 533) in Bolton 01932-01-011932[2] current
Route 86 — — — — — 01951-01-011951 Replaced by an extended Route 156
Route 87 16.62 26.75 Route 32 in Franklin US 6 in Andover 01932-01-011932[4] current
Route 89 16.25 26.15 Route 195 in Mansfield Route 190 in Union 01932-01-011932[4] current
Route 91 — — — — 01932-01-011932[4] 01959-01-011959[6] Renumbered Route 171 to avoid confusion with I-91
Route 93 — — — — 01932-01-011932[4] 01959-01-011959[6]
Route 94 9.33 15.02 Route 2 in Glastonbury Route 85 in Hebron 01932-01-011932[2] current
Route 95 — — — — 01932-01-011932[4] 01959-01-011959[6] Renumbered Route 49 because of I-95
Route 95 — — — — 01959-01-011959[6] 01964-01-011964 Renumbered Route 184
Route 95A — — — — — 01959-01-011959[6] Renumbered Route 14
Route 97 29.14 46.90 Route 12 in Norwich US 44 / Route 169 in Pomfret 01932-01-011932 current
Route 99 10.64 17.12 Route 9 in Cromwell Wethersfield Avenue at Wethersfield–Hartford town line 01969-01-011969 current
Route 100 4.40 7.08 US 1 in East Haven Route 80 in East Haven 01935-01-011935 current
Route 101 — — — — — 01935-01-011935 Replaced by US 44
Route 101 9.46 15.22 US 44 in Pomfret RI 101 in Killingly 01935-01-011935 current
Route 102 3.45 5.55 Route 35 in Ridgefield US 7 in Ridgefield 01932-01-011932 current
Route 103 5.31 8.55 Route 80 in New Haven US 5 / Route 22 in North Haven 01987-01-011987 current
Route 104 6.82 10.98 Route 137 in Stamford Long Ridge Road at the New York state line in Stamford 01935-01-011935 current
Route 105 — — — — — 01963-01-011963 Now Route 190
Route 106 — — Route 58 near Easton Route 59 near Easton — 01963-01-011963 Center Street; decommissioned in exchange for creating the current Route 106
Route 106 14.37 23.13 I-95 / US 1 in Stamford Route 53 in Wilton 01963-01-011963 current
Route 107 7.50 12.07 US 7 in Wilton Route 58 in Redding 01932-01-011932 current
Route 108 11.05 17.78 US 1 in Stratford Route 110 in Shelton 01932-01-011932 current
Route 109 20.93 33.68 US 202 in New Milford US 6 in Thomaston 01932-01-011932[4] current
Route 110 15.95 25.67 US 1 in Stratford Route 111 in Monroe 01935-01-011935 current Extended in 1952
Route 111 11.71 18.85 Route 15 / Main Street (SR 731) in Trumbull Route 34 in Monroe 01932-01-011932 current
Route 112 6.68 10.75 US 44 in Salisbury US 7 in Salisbury 01932-01-011932 current
Route 113 8.12 13.07 I-95 in Bridgeport Route 110 in Stratford 01932-01-011932 current
Route 114 7.92 12.75 US 1 in Orange Route 63 in Woodbridge 01932-01-011932[4] current
Route 115 5.66 9.11 Route 34 in Derby Route 67 in Seymour 01932-01-011932[4] current
Route 116 — — — — 01932-01-011932[4] 01967-01-011967 Renumbered Route 118 so that Route 116 could be reused to match New York
Route 116 4.24 6.82 Route 35 in Ridgefield NY 116 in Ridgefield 01966-01-011966 current
Route 117 11.32 18.22 US 1 in Groton Route 2 in Preston 01963-01-011963 current
Route 118 — — — — — 01962-01-011962
Route 118 7.48 12.04 Route 63 in Litchfield Route 4 in Harwinton 01966-01-011966 current Route 116 designation from 1932-1967
Route 119 — — — — — 01963-01-011963 Now Route 201
Route 120 3.11 5.01 Route 322 in Southington Route 10 in Southington 01932-01-011932 current
NY 120A 4.6 7.4 Route 120A in Harrison, NY Route 120A in Rye Brook, NY 01931-01-011931 current King St, Greenwich ... parts in CT and other parts along NY/CT line
Route 121 5.66 9.11 US 1 in Milford Route 34 in Orange 01932-01-011932 current
Route 122 3.51 5.65 I-95 / First Avenue (SR 745) in West Haven Route 63 in New Haven 01932-01-011932 current
Route 123 8.37 13.47 US 1 in Norwalk NY 123 in New Canaan 01932-01-011932 current realigned in 1934
Route 124 — — — — — 01963-01-011963 Demoted to SR 832 and SR 834
Route 124 9.41 15.14 US 1 in Darien Westchester Avenue at the New York state line in New Canaan 01966-01-011966 current
Route 125 1.24 2.00 Route 4 in Cornwall Route 128 in Cornwall 01932-01-011932 current
Route 126 6.08 9.78 Route 63 in Canaan US 44 in North Canaan 01932-01-011932 current
Route 127 6.80 10.94 Route 130 in Bridgeport Route 111 in Trumbull 01932-01-011932 current
Route 128 4.03 6.49 US 7 in Sharon Route 4 / Route 43 in Cornwall 01932-01-011932 current
Route 129 — — — — — 01963-01-011963 Now Route 130
Route 130 8.21 13.21 US 1 in Fairfield US 1 in Stratford 01992-01-011992 current
Route 131 — — — — — 01935-01-011935 Renumbered Route 199 so that Route 131 could be used to match Massachusetts
Route 131 3.78 6.08 Route 12 in Thompson MA 131 in Thompson 01935-01-011935 current
Route 132 10.97 17.65 Route 47 in Woodbury Route 63 in Watertown 01932-01-011932 current
Route 133 20.05 32.27 US 202 in Brookfield Route 67 in Bridgewater 01932-01-011932 current
Route 134 — — — — — 01963-01-011963 Decommissioned in 1956, but restored in 1961; replaced by rerouted Route 109
Route 135 2.58 4.15 US 1 in Fairfield Route 58 in Fairfield 01953-01-011953 current
Route 136 20.46 32.93 US 1 in Darien Route 59 in Easton 01932-01-011932 current
Route 137 9.33 15.02 US 1 / Washington Boulevard (SSR 493) in Stamford NY 137 in Stamford 01932-01-011932[4] current
Route 138 17.73 28.53 Route 97 in Sprague RI 138 in Voluntown 01932-01-011932 current
Route 139 2.38 3.83 US 1 in Branford Route 22 / Route 80 in North Branford 01932-01-011932[3] current
Route 139A — — — — — 01964-01-011964 the last highway log to show this road was the 1948 highway log
Route 140 22.50 36.21 Route 75 in Windsor Locks Route 32 / Route 190 in Stafford 01932-01-011932[4] current
Route 141 — — — — — 01951-01-011951 Now Route 22
Route 142 4.27 6.87 US 1 in East Haven US 1 in Branford 01932-01-011932 current
Route 143 — — — — — 01962-01-011962 Now Route 146
Route 144 — — — — — 01962-01-011962 Now Route 80
Route 145 9.91 15.95 US 1 in Clinton Route 148 in Chester 01932-01-011932[4] current
Route 146 13.00 20.92 US 1 in Branford US 1 in Guilford 01932-01-011932 current
Route 147 5.09 8.19 Route 17 in Durham Route 66 in Middlefield 01932-01-011932[2] current
Route 148 16.35 26.31 Route 79 in Killingworth Route 82 in Lyme 01932-01-011932[4] current
Route 149 11.70 18.83 Route 82 in East Haddam Old Hartford Road in Colchester 01932-01-011932 current
Route 150 9.04 14.55 Route 22 in North Branford US 5 in Wallingford 01932-01-011932 current Extended in 1962
Route 151 10.77 17.33 Route 82 in East Haddam Route 66 in East Hampton 01932-01-011932[2] current
Route 152 3.31 5.33 US 1 in Orange Route 34 in Orange 01932-01-011932[7] current
Route 153 5.27 8.48 US 1 in Westbrook Route 154 in Essex 01932-01-011932 current
Route 154 28.24 45.45 US 1 in Old Saybrook Route 9 in Middletown 01932-01-011932[4] current
Route 155 2.22 3.57 Route 17 in Middletown Route 9 in Middletown 01933-01-011933 current
Route 156 22.76 36.63 Route 82 in East Haddam US 1 in Waterford 01932-01-011932[4] current
Route 156A — — — — — 01961-01-011961
Route 157 6.86 11.04 Route 68 in Durham Route 66 in Middletown 01932-01-011932 current
Route 158 — — — — — 01950-01-011950 Now Route 122
Route 159 16.82 27.07 Main Street at Hartford–Windsor town line MA 159 in Suffield 01968-01-011968 current formerly US-5A
Route 160 7.36 11.84 US 5 / Route 15 in Berlin Route 17 in Glastonbury 01932-01-011932 current
Route 161 8.03 12.92 Route 156 in East Lyme Route 85 in Montville 01932-01-011932[4] current
Route 162 20.05 32.27 US 1 in Milford US 1 in Orange 01932-01-011932[8] current
Route 163 12.86 20.70 Route 32 in Montville Route 2 / Haughton Road (SR 612) in Bozrah 01932-01-011932 current
Route 164 7.83 12.60 Route 2 in Preston Route 138 in Griswold 01932-01-011932 current
Route 165 16.01 25.77 Route 2 in Norwich RI 165 in Voluntown 01932-01-011932[7] current
Route 166 1.62 2.61 Route 153 in Westbrook US 1 in Old Saybrook 01935-01-011935 current
Route 167 10.41 16.75 Route 4 in Farmington US 202 / Route 10 in Simsbury 01932-01-011932[8] current
Route 168 7.93 12.76 MA 168 in Suffield Route 75 in Suffield 01977-01-011977 current Former portion of Route 190 renumbered because of I-190 in Massachusetts
Route 169 38.25 61.56 Route 2 / Route 32 / Town Street (SR 642) in Norwich MA 169 in Woodstock 01959-01-011959 current
Route 171 20.70 33.31 I-84 in Union US 44 in Putnam 01959-01-011959[6] current
Route 172 4.45 7.16 I-84 in Southbury Route 67 in Southbury 01932-01-011932 current
Route 173 6.17 9.93 US 5 / Route 15 in Newington South Main Street in West Hartford 01932-01-011932[9] current
Route 174 3.18 5.12 Route 71 in New Britain Route 176 in Newington 01932-01-011932 current
Route 175 6.19 9.96 Route 71 in New Britain Route 99 in Wethersfield 01932-01-011932[9] current
Route 176 4.14 6.66 US 5 / Route 15 in Newington Newington Avenue at Newington–Hartford town line 01932-01-011932[9] current
Route 177 12.57 20.23 Route 10 in Plainville US 44 in Canton 01932-01-011932[2] current
Route 178 6.89 11.09 Route 185 in Bloomfield Route 159 in Windsor 01932-01-011932 current
Route 179 16.50 26.55 Route 4 in Burlington Route 20 in Hartland 01932-01-011932 current
Route 180 — — — — — 01935-01-011935 Proposed but never built, Now Route 68
Route 181 7.84 12.62 US 44 in Barkhamsted Route 20 in Hartland 01932-01-011932 current
Route 182 3.81 6.13 US 44 in Norfolk Route 182A / Route 183 in Colebrook 01932-01-011932 current
Route 182A 2.09 3.36 Route 182 in Colebrook Route 182 / Route 183 in Colebrook 01941-01-011941 current
Route 183 19.06 30.67 Route 4 in Torrington MA 183 in Norfolk 01932-01-011932[2] current
Route 184 15.66 25.20 I-95 in Groton Route 216 / Providence–New London Turnpike (SR 626) in North Stonington 01964-01-011964 current
Route 185 6.36 10.24 US 202 / Route 10 in Simsbury Route 189 in West Hartford 01932-01-011932[4] current
Route 186 3.57 5.75 Route 190 in Somers MA 186 in Somers 01932-01-011932[4] current
Route 187 19.74 31.77 US 44 in Hartford MA 187 in Suffield 01932-01-011932 current
Route 188 15.92 25.62 Route 34 in Seymour Route 63 in Middlebury 01935-01-011935 current
Route 189 20.32 32.70 US 44 in Hartford MA 189 in Granby 01932-01-011932[3] current
Route 190 28.27 45.50 Route 75 in Suffield Route 171 in Union 01932-01-011932 current
Route 191 9.30 14.97 US 5 in East Windsor Route 190 in Enfield 01932-01-011932[4] current
Route 192 3.49 5.62 Route 190 in Enfield MA 192 in Enfield 01932-01-011932 current
Route 193 6.63 10.67 Route 12 in Thompson Route 193 in Thompson 01932-01-011932[3] current
Route 194 3.67 5.91 US 5 in South Windsor Route 30 in South Windsor 01932-01-011932 current
Route 195 15.91 25.60 Route 66 in Windham Route 74 in Tolland 01932-01-011932 current
Route 196 5.38 8.66 Route 151 in Haddam Route 66 in East Hampton 01932-01-011932[4] current
Route 197 10.97 17.65 Route 171 in Union MA 197 in Thompson 01932-01-011932 current
Route 198 19.22 30.93 US 6 in Chaplin MA 198 in Woodstock 01932-01-011932[9] current
Route 199 — — — — — 01935-01-011935 Replaced by US 44
Route 199 4.62 7.44 Route 67 in Roxbury Route 47 in Washington 01935-01-011935 current
Route 200 1.87 3.01 Route 12 in Thompson Route 193 in Thompson 01932-01-011932 current
Route 201 20.10 32.35 Route 184 in Stonington Route 12 in Griswold 01934-01-011934 current
Route 202 — — — — — 01935-01-011935 Renumbered Route 101 because of US 202
Route 203 5.32 8.56 Route 32 in Windham US 6 in Windham 01932-01-011932[9] current
Route 205 3.81 6.13 Route 12 in Plainfield Route 169 in Brooklyn 01932-01-011932 current
Route 207 16.01 25.77 Route 85 in Hebron Route 97 in Sprague 01932-01-011932[9] current
Route 209 2.93 4.72 Route 109 in Morris US 202 in Litchfield 01963-01-011963 current
Route 211 — — — — — 01950-01-011950 Now Route 14
Route 213 6.66 10.72 Route 156 in Waterford US 1 in New London 01932-01-011932[2] current
Route 214 7.30 11.75 Route 12 in Ledyard Route 2 / Foxwoods Boulevard (SR 680) in Ledyard 01963-01-011963 current
Route 215 4.65 7.48 US 1 in Groton US 1 in Groton 01932-01-011932 current
Route 216 2.78 4.47 Route 49 in North Stonington RI 216 in North Stonington 01934-01-011934 current
Route 217 3.84 6.18 Route 66 in Middlefield Route 372 in Cromwell 01963-01-011963 current
Route 218 7.00 11.27 US 44 in West Hartford Route 159 in Windsor 01935-01-011935 current
Route 219 14.98 24.11 US 202 in New Hartford Route 20 in Granby 01935-01-011935 current
Route 220 5.80 9.33 US 5 in Enfield MA 220 in Enfield 01936-01-011936 current
Route 222 8.08 13.00 US 6 in Thomaston Route 118 in Harwinton 01963-01-011963 current
Route 229 5.94 9.56 West Street in Southington US 6 in Bristol 01963-01-011963 current
Route 234 6.95 11.18 Route 27 in Stonington US 1 in Stonington 01987-01-011987 current
Route 243 6.70 10.78 Route 115 / Division Street (SR 853) in Ansonia Route 63 in New Haven 01963-01-011963 current
Route 244 5.72 9.21 Route 198 in Eastford Route 97 in Pomfret 01988-01-011988 current
Route 254 8.41 13.53 Route 8 / Waterbury Road (SR 848) in Thomaston Route 118 in Litchfield 01963-01-011963 current
Route 262 9.37 15.08 US 6 in Watertown US 6 in Plymouth 01963-01-011963 current
Route 263 6.23 10.03 Route 272 in Goshen US 44 in Winchester 01963-01-011963 current
Route 272 17.97 28.92 Route 4 in Torrington Norfolk Road at the Massachusetts state line in Norfolk 01963-01-011963 current
Route 275 4.15 6.68 Route 31 in Coventry Route 195 in Mansfield 01963-01-011963 current
Route 286 3.60 5.79 Route 74 in Ellington Route 83 in Ellington 01963-01-011963 current
Route 287 3.36 5.41 Route 176 in Newington Route 3 in Wethersfield 01970-01-011970 current
Route 289 5.13 8.26 Route 87 in Lebanon Route 32 in Windham 01964-01-011964 current
Route 291 — — — — 01958-01-011958 01994-01-011994 Now I-291
Route 302 7.96 12.81 Route 53 in Bethel Route 25 in Newtown 01974-01-011974 current
Route 305 3.42 5.50 Route 187 in Bloomfield Route 75 in Windsor 01963-01-011963 current
Route 309 4.74 7.63 Route 179 in Canton Route 167 in Simsbury 01963-01-011963 current
Route 313 6.85 11.02 Route 67 in Seymour Route 243 in Woodbridge 01963-01-011963 current
Route 314 2.07 3.33 US 5 / Route 15 in Wethersfield Route 99 in Wethersfield 01963-01-011963 current
Route 315 1.95 3.14 US 202 / Route 10 in Simsbury Route 189 in Simsbury 01963-01-011963 current
Route 316 6.04 9.72 Route 66 in Hebron US 6 in Andover 01963-01-011963 current
Route 317 6.10 9.82 Route 67 in Roxbury US 6 in Woodbury 01964-01-011964 current
Route 318 3.14 5.05 US 44 in Barkhamsted Route 219 in Barkhamsted 01963-01-011963 current
Route 319 2.83 4.55 Route 190 in Stafford Route 19 in Stafford 01988-01-011988 current
Route 320 7.05 11.35 Route 195 in Mansfield I-84 in Willington 01963-01-011963 current
Route 322 9.80 15.77 Route 69 in Wolcott I-691 in Southington 01963-01-011963 current
Route 334 4.40 7.08 Route 188 in Seymour Route 115 in Ansonia 01963-01-011963 current
Route 337 4.91 7.90 US 1 in New Haven Route 142 in East Haven 01987-01-011987 current
Route 341 15.97 25.70 Bog Hollow Road at the New York state line in Kent US 202 in Washington 01932-01-011932[2] current
Route 343 1.50 2.41 NY 343 in Sharon Route 4 / Route 41 in Sharon 01932-01-011932[7] current
Route 349 4.17 6.71 Shennecossett Road in Groton I-95 in Groton 01985-01-011985 current
Route 354 7.37 11.86 Route 85 in Colchester Route 82 in Salem 01963-01-011963 current
Route 361 3.54 5.70 Route 41 in Sharon Sharon Road at the New York state line in Salisbury 01966-01-011966 current
Route 364 4.56 7.34 Route 120 in Southington Route 71 in Berlin 01964-01-011964 current
Route 372 15.12 24.33 East Main Street at Bristol–Plainville town line Route 99 in Cromwell 01978-01-011978 current

Special Service Roads

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Main article: List of Special Service Roads in Connecticut

Roads classified by the Department of Transportation as special service roads are given an unsigned number designation between 400 and 499. Special service roads are roads that connect a federal or state facility (including state parks and some Interstate Highway interchanges) to a signed state route. These numbers only appear in internal documentation, none of them are signed.

State Roads

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Main article: List of State Roads in Connecticut

State Roads are state-maintained roads that are usually long entrance/exit ramps to/from an expressway, or short interconnecting roads between signed routes. Roads classified by the Department of Transportation as state roads are given an unsigned number designation between 500 and 999. The first digit denotes which Maintenance District the road is mainly located in:

State road numbers are only for internal record-keeping and documentation, all of these roads are unsigned.

History

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1913 trunk line system

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The 14 trunk line routes of the original state highway system of Connecticut

In 1900, the State Highway Department proposed a statewide system of trunk line routes. By 1913, the system consisted of 10 north-south highways and 4 east-west highways, including the lower Boston Post Road. The system covered roughly 1,400 miles (2,300 km). The 14 trunk lines were numbered on paper but were never actually signposted. The 14 trunk line routes were:

New England road marking system

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The first public route numbering came with the advent of the New England road marking system of 1922. This highway numbering system was used throughout New England and consisted of 25 routes (with route numbers from 1 to 32). A total of 9 of the routes passed through Connecticut (Routes 1, 2, 3, 4, 8, 10, 12, 17, and 32). In this system, inter-state routes would be numbered 1–99 and state routes numbered 100 and up. The New England route system was soon eclipsed by the national U.S. highway system.

1922–1931

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The State Highway Department classified state roads as either State Highways (SH) or State Aid Roads (SA). These roads were given number designations – 100–299 for primary routes and 300+ for secondary routes. Some state roads were signposted and some were not.

1932 renumbering

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Main article: 1932 state highway renumbering (Connecticut)

The state abandoned its old numbering system and renumbered almost all of their state highways in 1932. Most of the present route numbers were formed during this renumbering. The only route numbers that survived were U.S. Routes and a few state highway routes. For route numbers established in 1932, the new numbering system used odd numbers for north-south routes and even numbers for east-west routes, matching the U.S. Highway numbering system. The New England routes that were grandfathered into the highway system (Routes 8, 10, 12, 32) did not follow the new system. The state also assigned new route numbers in clusters, with routes in the same general location having numbers close to each other as well. Shortly after the renumbering, in 1935, two new U.S. Routes were commissioned: US 44 (taking over part of old New England Route 17) and US 202.

1963 renumbering

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In 1963, the state passed the Road Reclassification Act to fix the by now fragmented state highway system. Many state highways had state maintenance gaps and several highway segments were even isolated from the rest of the system. State highways were classified into primary, secondary, and service roads. Primary routes were essentially left unchanged, while minor realignments, additions/deletions, and extensions occurred in many secondary routes. About 1/3 of all routes were changed to some degree by this renumbering. The current system of unsigned ("secret") routes, including the special service roads, was also created during this renumbering. The state highway system has not had any major changes since then. The state completely abandoned the odd/even numbering scheme established in 1932 with new numbers in 1963 assigned without regard to their direction or general location.

See also

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References

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  1. ^ Connecticut State Numbered Routes and Roads as of December 31, 2014 Archived September 5, 2015, at the Wayback Machine
  2. ^ a b c d e f g h i j k l m n o p q "Road Conditions in Connecticut". The Hartford Daily Courant. September 17, 1932. p. 18. Retrieved December 24, 2019 – via Newspapers.com. Open access icon
  3. ^ a b c d e "Road Conditions in Connecticut". The Hartford Daily Courant. August 6, 1932. p. 13. Retrieved December 24, 2019 – via Newspapers.com. Open access icon
  4. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af "Road Conditions in Connecticut". The Hartford Daily Courant. May 27, 1932. p. 14. Retrieved December 24, 2019 – via Newspapers.com. Open access icon
  5. ^ a b c d e "Road Conditions in Connecticut". The Hartford Daily Courant. July 9, 1932. p. 10. Retrieved December 24, 2019 – via Newspapers.com. Open access icon
  6. ^ a b c d e f g "State Highway Route Numbers to be Changed". The Naugatuck Daily News. September 25, 1958. p. 9. Retrieved December 24, 2019 – via Newspapers.com. Open access icon
  7. ^ a b c "Road Conditions in Connecticut". The Hartford Daily Courant. June 25, 1932. p. 18. Retrieved December 24, 2019 – via Newspapers.com. Open access icon
  8. ^ a b "Road Conditions in Connecticut". The Hartford Daily Courant. July 23, 1932. p. 9. Retrieved December 24, 2019 – via Newspapers.com. Open access icon
  9. ^ a b c d e f "Road Conditions in Connecticut". The Hartford Daily Courant. June 5, 1932. p. 29. Retrieved December 24, 2019 – via Newspapers.com. Open access icon


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