List of state routes in Connecticut
State Routes
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.

List of state routes in Connecticut

Section Title: State Routes
Table Section Text: 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.

Number	Length (mi)	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	—	—

Route 2A	9.91	15.95	I-395 / Route 2 / Route 32 in Norwich	Route 2 in Preston	—	—

Route 3	14.48	23.30	Route 66 in Middletown	Route 2 in East Hartford	—	—

Route 4	46.72	75.19	Route 41 / Route 343 in Sharon	Farmington Avenue in West Hartford	—	—

Route 8	67.36	108.41	I-95 in Bridgeport	MA 8 in Colebrook	—	—

Route 9	40.89	65.81	I-95 in Old Saybrook	I-84 in West Hartford	—	—

Route 10	54.28	87.36	I-95 in New Haven	US 202 / MA 10 in Granby	—	—

Route 11	7.42	11.94	Route 82 in Salem	Route 2 in Colchester	—	—	Length includes only completed portion

Route 12	54.46	87.64	US 1 in Groton	MA 12 in Thompson	—	—

Route 14	24.33	39.16	Route 66 in Windham	RI 14 in Sterling	—	—

Route 14A	10.27	16.53	Route 14 in Plainfield	Route 14 in Sterling	—	—

Route 15	83.53	134.43	Hutchinson River Parkway at the New York state line in Greenwich	I-84 in East Hartford	—	—	Includes Merritt Parkway, Wilbur Cross Parkway, Berlin Turnpike, and Wilbur Cross Highway

Route 16	17.05	27.44	Route 66 in East Hampton	Route 207 in Lebanon	—	—

Route 17	36.41	58.60	Middletown Avenue in New Haven	Route 2 in Glastonbury	—	—

Route 17A	3.02	4.86	Route 17 / Route 66 in Portland	Route 17 in Portland	—	—

Route 19	6.99	11.25	Route 190 in Stafford	MA 19 in Stafford	—	—

Route 20	31.56	50.79	Route 8 in Winchester	I-91 in Windsor	—	—	Includes part of Bradley Airport Connector

Route 21	5.67	9.12	Route 12 in Killingly	Route 193 in Thompson	—	—

Route 22	14.07	22.64	Route 10 in Hamden	US 1 in Guilford	—	—

Route 25	28.59	46.01	I-95 in Bridgeport	US 202 in Brookfield	—	—

Route 27	3.21	5.17	US 1 in Stonington	Route 184 in Groton	—	—

Route 30	20.94	33.70	I-291 / US 5 in South Windsor	Route 190 in Stafford	—	—

Route 31	14.34	23.08	Route 74 in Vernon	Route 32 in Mansfield	—	—

Route 32	54.88	88.32	Crystal Avenue (SSR 437) in New London	MA 32 in Stafford	—	—

Route 33	14.41	23.19	I-95 / Route 136 in Westport	Route 35 in Ridgefield	—	—

Route 34	24.37	39.22	Washington Street in Newtown	I-91 / I-95 in New Haven	—	—

Route 35	5.66	9.11	NY 35 in Ridgefield	US 7 in Ridgefield	—	—

Route 37	18.66	30.03	Route 39 / Route 53 / Downs Street (SR 841) in Danbury	US 7 in New Milford	—	—

Route 39	22.76	36.63	Route 37 / Route 53 / Downs Street (SR 841) in Danbury	Route 55 in Sherman	—	—

Route 40	3.08	4.96	I-91 in North Haven	Route 10 in Hamden	—	—

Route 41	17.86	28.74	Amenia Union Road at the New York state line in Sharon	MA 41 in Salisbury	—	—

Route 42	13.66	21.98	Route 67 in Oxford	Route 10 in Cheshire	—	—

Route 43	5.06	8.14	Route 4 / Route 128 in Cornwall	Route 63 in Cornwall	—	—

Route 45	10.29	16.56	US 202 in Washington	US 7 in Cornwall	—	—

Route 47	12.27	19.75	US 6 in Woodbury	US 202 in Washington	—	—

Route 49	21.74	34.99	Route 2 in Stonington	Route 14A in Sterling	—	—

Route 53	23.57	37.93	US 1 in Norwalk	Route 37 / Route 39 / Downs Street (SR 841) in Danbury	—	—

Route 55	2.64	4.25	NY 55 in Sherman	US 7 in New Milford	—	—

Route 57	9.51	15.30	Route 33 in Westport	US 7 in Wilton	—	—

Route 58	18.58	29.90	US 1 in Fairfield	Route 302 in Bethel	—	—

Route 59	12.05	19.39	US 1 in Bridgeport	Route 25 in Monroe	—	—

Route 61	9.16	14.74	US 6 in Woodbury	Route 63 in Morris	—	—

Route 63	52.57	84.60	Route 10 in New Haven	US 7 in Canaan	—	—

Route 64	8.14	13.10	US 6 in Woodbury	I-84 in Waterbury	—	—

Route 66	38.38	61.77	I-91 / I-691 in Meriden	US 6 in Windham	—	—

Route 67	31.00	49.89	US 7 / US 202 in New Milford	Route 63 in Woodbridge	—	—

Route 68	22.09	35.55	Route 63 in Naugatuck	Route 17 in Durham	—	—

Route 69	35.16	56.58	Route 63 in New Haven	Route 4 in Burlington	—	—

Route 70	10.92	17.57	I-84 / Waterbury Road (SR 801) in Cheshire	Route 71 in Meriden	—	—

Route 71	19.19	30.88	US 5 in Wallingford	Route 173 in West Hartford	—	—

Route 71A	2.92	4.70	Route 71 in Berlin	Buell Street in New Britain	—	—

Route 72	20.05	32.27	Route 9 in New Britain	Route 4 in Harwinton	—	—

Route 73	3.46	5.57	Route 63 in Watertown	Route 8 in Waterbury	—	—

Route 74	22.21	35.74	Route 194 in South Windsor	US 44 in Ashford	—	—

Route 75	13.52	21.76	Route 159 in Windsor	MA 75 in Suffield	—	—

Route 77	13.85	22.29	Route 146 in Guilford	Route 17 in Durham	—	—

Route 78	0.43	0.69	Route 2 in Stonington	RI 78 in Stonington	—	—

Route 79	14.34	23.08	US 1 in Madison	Route 17 in Durham	—	—

Route 80	25.91	41.70	Route 17 in New Haven	Route 154 in Deep River	—	—

Route 81	15.75	25.35	US 1 in Clinton	Route 154 in Haddam	—	—

Route 82	28.47	45.82	Route 9 in Chester	Route 2 / Route 32 in Norwich	—	—

Route 83	27.56	44.35	New London Turnpike in Glastonbury	MA 83 in Somers	—	—

Route 85	37.38	60.16	US 1 in New London	US 6 / US 44 / Cider Mill Road (SR 533) in Bolton	—	—

Route 87	16.62	26.75	Route 32 in Franklin	US 6 in Andover	—	—

Route 89	16.25	26.15	Route 195 in Mansfield	Route 190 in Union	—	—

Route 94	9.33	15.02	Route 2 in Glastonbury	Route 85 in Hebron	—	—

Route 97	29.14	46.90	Route 12 in Norwich	US 44 / Route 169 in Pomfret	—	—

Route 99	10.64	17.12	Route 9 in Cromwell	Wethersfield Avenue at Wethersfield–Hartford town line	—	—

Route 100	4.40	7.08	US 1 in East Haven	Route 80 in East Haven	—	—

Route 101	9.46	15.22	US 44 in Pomfret	RI 101 in Killingly	—	—

Route 102	3.45	5.55	Route 35 in Ridgefield	US 7 in Ridgefield	—	—

Route 103	5.31	8.55	Route 80 in New Haven	US 5 / Route 22 in North Haven	—	—

Route 104	6.82	10.98	Route 137 in Stamford	Long Ridge Road at the New York state line in Stamford	—	—

Route 106	14.37	23.13	I-95 / US 1 in Stamford	Route 53 in Wilton	—	—

Route 107	7.50	12.07	US 7 in Wilton	Route 58 in Redding	—	—

Route 108	11.05	17.78	US 1 in Stratford	Route 110 in Shelton	—	—

Route 109	20.93	33.68	US 202 in New Milford	US 6 in Thomaston	—	—

Route 110	15.95	25.67	US 1 in Stratford	Route 111 in Monroe	—	—

Route 111	11.71	18.85	Route 15 / Main Street (SR 731) in Trumbull	Route 34 in Monroe	—	—

Route 112	6.68	10.75	US 44 in Salisbury	US 7 in Salisbury	—	—

Route 113	8.12	13.07	I-95 in Bridgeport	Route 110 in Stratford	—	—

Route 114	7.92	12.75	US 1 in Orange	Route 63 in Woodbridge	—	—

Route 115	5.66	9.11	Route 34 in Derby	Route 67 in Seymour	—	—

Route 116	4.24	6.82	Route 35 in Ridgefield	NY 116 in Ridgefield	—	—

Route 117	11.32	18.22	US 1 in Groton	Route 2 in Preston	—	—

Route 118	7.48	12.04	Route 63 in Litchfield	Route 4 in Harwinton	—	—

Route 120	3.11	5.01	Route 322 in Southington	Route 10 in Southington	—	—

NY 120A	4.6	7.4	Route 120A in Harrison, NY	Route 120A in Rye Brook, NY	—	—	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	—	—

Route 122	3.51	5.65	I-95 / First Avenue (SR 745) in West Haven	Route 63 in New Haven	—	—

Route 123	8.37	13.47	US 1 in Norwalk	NY 123 in New Canaan	—	—

Route 124	9.41	15.14	US 1 in Darien	Westchester Avenue at the New York state line in New Canaan	—	—

Route 125	1.24	2.00	Route 4 in Cornwall	Route 128 in Cornwall	—	—

Route 126	6.08	9.78	Route 63 in Canaan	US 44 in North Canaan	—	—

Route 127	6.80	10.94	Route 130 in Bridgeport	Route 111 in Trumbull	—	—

Route 128	4.03	6.49	US 7 in Sharon	Route 4 / Route 43 in Cornwall	—	—

Route 130	8.21	13.21	US 1 in Fairfield	US 1 in Stratford	—	—

Route 131	3.78	6.08	Route 12 in Thompson	MA 131 in Thompson	—	—

Route 132	10.97	17.65	Route 47 in Woodbury	Route 63 in Watertown	—	—

Route 133	20.05	32.27	US 202 in Brookfield	Route 67 in Bridgewater	—	—

Route 135	2.58	4.15	US 1 in Fairfield	Route 58 in Fairfield	—	—

Route 136	20.46	32.93	US 1 in Darien	Route 59 in Easton	—	—

Route 137	9.33	15.02	US 1 / Washington Boulevard (SSR 493) in Stamford	NY 137 in Stamford	—	—

Route 138	17.73	28.53	Route 97 in Sprague	RI 138 in Voluntown	—	—

Route 139	2.38	3.83	US 1 in Branford	Route 22 / Route 80 in North Branford	—	—

Route 140	22.50	36.21	Route 75 in Windsor Locks	Route 32 / Route 190 in Stafford	—	—

Route 142	4.27	6.87	US 1 in East Haven	US 1 in Branford	—	—

Route 145	9.91	15.95	US 1 in Clinton	Route 148 in Chester	—	—

Route 146	13.00	20.92	US 1 in Branford	US 1 in Guilford	—	—

Route 147	5.09	8.19	Route 17 in Durham	Route 66 in Middlefield	—	—

Route 148	16.35	26.31	Route 79 in Killingworth	Route 82 in Lyme	—	—

Route 149	11.70	18.83	Route 82 in East Haddam	Old Hartford Road in Colchester	—	—

Route 150	9.04	14.55	Route 22 in North Branford	US 5 in Wallingford	—	—

Route 151	10.77	17.33	Route 82 in East Haddam	Route 66 in East Hampton	—	—

Route 152	3.31	5.33	US 1 in Orange	Route 34 in Orange	—	—

Route 153	5.27	8.48	US 1 in Westbrook	Route 154 in Essex	—	—

Route 154	28.24	45.45	US 1 in Old Saybrook	Route 9 in Middletown	—	—

Route 155	2.22	3.57	Route 17 in Middletown	Route 9 in Middletown	—	—

Route 156	22.76	36.63	Route 82 in East Haddam	US 1 in Waterford	—	—

Route 157	6.86	11.04	Route 68 in Durham	Route 66 in Middletown	—	—

Route 159	16.82	27.07	Main Street at Hartford–Windsor town line	MA 159 in Suffield	1968	current	formerly US-5A

Route 160	7.36	11.84	US 5 / Route 15 in Berlin	Route 17 in Glastonbury	—	—

Route 161	8.03	12.92	Route 156 in East Lyme	Route 85 in Montville	—	—

Route 162	20.05	32.27	US 1 in Milford	US 1 in Orange	—	—

Route 163	12.86	20.70	Route 32 in Montville	Route 2 / Haughton Road (SR 612) in Bozrah	—	—

Route 164	7.83	12.60	Route 2 in Preston	Route 138 in Griswold	—	—

Route 165	16.01	25.77	Route 2 in Norwich	RI 165 in Voluntown	—	—

Route 166	1.62	2.61	Route 153 in Westbrook	US 1 in Old Saybrook	—	—

Route 167	10.41	16.75	Route 4 in Farmington	US 202 / Route 10 in Simsbury	—	—

Route 168	7.93	12.76	MA 168 in Suffield	Route 75 in Suffield	—	—

Route 169	38.25	61.56	Route 2 / Route 32 / Town Street (SR 642) in Norwich	MA 169 in Woodstock	—	—

Route 171	20.70	33.31	I-84 in Union	US 44 in Putnam	—	—

Route 172	4.45	7.16	I-84 in Southbury	Route 67 in Southbury	—	—

Route 173	6.17	9.93	US 5 / Route 15 in Newington	South Main Street in West Hartford	—	—

Route 174	3.18	5.12	Route 71 in New Britain	Route 176 in Newington	—	—

Route 175	6.19	9.96	Route 71 in New Britain	Route 99 in Wethersfield	—	—

Route 176	4.14	6.66	US 5 / Route 15 in Newington	Newington Avenue at Newington–Hartford town line	—	—

Route 177	12.57	20.23	Route 10 in Plainville	US 44 in Canton	—	—

Route 178	6.89	11.09	Route 185 in Bloomfield	Route 159 in Windsor	—	—

Route 179	16.50	26.55	Route 4 in Burlington	Route 20 in Hartland	—	—

Route 181	7.84	12.62	US 44 in Barkhamsted	Route 20 in Hartland	—	—

Route 182	3.81	6.13	US 44 in Norfolk	Route 182A / Route 183 in Colebrook	—	—

Route 182A	2.09	3.36	Route 182 in Colebrook	Route 182 / Route 183 in Colebrook	—	—

Route 183	19.06	30.67	Route 4 in Torrington	MA 183 in Norfolk	—	—

Route 184	15.66	25.20	I-95 in Groton	Route 216 / Providence–New London Turnpike (SR 626) in North Stonington	—	—

Route 185	6.36	10.24	US 202 / Route 10 in Simsbury	Route 189 in West Hartford	—	—

Route 186	3.57	5.75	Route 190 in Somers	MA 186 in Somers	—	—

Route 187	19.74	31.77	US 44 in Hartford	MA 187 in Suffield	—	—

Route 188	15.92	25.62	Route 34 in Seymour	Route 63 in Middlebury	—	—

Route 189	20.32	32.70	US 44 in Hartford	MA 189 in Granby	—	—

Route 190	28.27	45.50	Route 75 in Suffield	Route 171 in Union	—	—

Route 191	9.30	14.97	US 5 in East Windsor	Route 190 in Enfield	—	—

Route 192	3.49	5.62	Route 190 in Enfield	MA 192 in Enfield	—	—

Route 193	6.63	10.67	Route 12 in Thompson	Route 193 in Thompson	—	—

Route 194	3.67	5.91	US 5 in South Windsor	Route 30 in South Windsor	—	—

Route 195	15.91	25.60	Route 66 in Windham	Route 74 in Tolland	—	—

Route 196	5.38	8.66	Route 151 in Haddam	Route 66 in East Hampton	—	—

Route 197	10.97	17.65	Route 171 in Union	MA 197 in Thompson	—	—

Route 198	19.22	30.93	US 6 in Chaplin	MA 198 in Woodstock	—	—

Route 199	4.62	7.44	Route 67 in Roxbury	Route 47 in Washington	—	—

Route 200	1.87	3.01	Route 12 in Thompson	Route 193 in Thompson	—	—

Route 201	20.10	32.35	Route 184 in Stonington	Route 12 in Griswold	—	—

Route 203	5.32	8.56	Route 32 in Windham	US 6 in Windham	—	—

Route 205	3.81	6.13	Route 12 in Plainfield	Route 169 in Brooklyn	—	—

Route 207	16.01	25.77	Route 85 in Hebron	Route 97 in Sprague	—	—

Route 209	2.93	4.72	Route 109 in Morris	US 202 in Litchfield	—	—

Route 213	6.66	10.72	Route 156 in Waterford	US 1 in New London	—	—

Route 214	7.30	11.75	Route 12 in Ledyard	Route 2 / Foxwoods Boulevard (SR 680) in Ledyard	—	—

Route 215	4.65	7.48	US 1 in Groton	US 1 in Groton	—	—

Route 216	2.78	4.47	Route 49 in North Stonington	RI 216 in North Stonington	—	—

Route 217	3.84	6.18	Route 66 in Middlefield	Route 372 in Cromwell	—	—

Route 218	7.00	11.27	US 44 in West Hartford	Route 159 in Windsor	—	—

Route 219	14.98	24.11	US 202 in New Hartford	Route 20 in Granby	—	—

Route 220	5.80	9.33	US 5 in Enfield	MA 220 in Enfield	—	—

Route 222	8.08	13.00	US 6 in Thomaston	Route 118 in Harwinton	—	—

Route 229	5.94	9.56	West Street in Southington	US 6 in Bristol	—	—

Route 234	6.95	11.18	Route 27 in Stonington	US 1 in Stonington	—	—

Route 243	6.70	10.78	Route 115 / Division Street (SR 853) in Ansonia	Route 63 in New Haven	—	—

Route 244	5.72	9.21	Route 198 in Eastford	Route 97 in Pomfret	—	—

Route 254	8.41	13.53	Route 8 / Waterbury Road (SR 848) in Thomaston	Route 118 in Litchfield	—	—

Route 262	9.37	15.08	US 6 in Watertown	US 6 in Plymouth	—	—

Route 263	6.23	10.03	Route 272 in Goshen	US 44 in Winchester	—	—

Route 272	17.97	28.92	Route 4 in Torrington	Norfolk Road at the Massachusetts state line in Norfolk	—	—

Route 275	4.15	6.68	Route 31 in Coventry	Route 195 in Mansfield	—	—

Route 286	3.60	5.79	Route 74 in Ellington	Route 83 in Ellington	—	—

Route 287	3.36	5.41	Route 176 in Newington	Route 3 in Wethersfield	—	—

Route 289	5.13	8.26	Route 87 in Lebanon	Route 32 in Windham	—	—

Route 302	7.96	12.81	Route 53 in Bethel	Route 25 in Newtown	—	—

Route 305	3.42	5.50	Route 187 in Bloomfield	Route 75 in Windsor	—	—

Route 309	4.74	7.63	Route 179 in Canton	Route 167 in Simsbury	—	—

Route 313	6.85	11.02	Route 67 in Seymour	Route 243 in Woodbridge	—	—

Route 314	2.07	3.33	US 5 / Route 15 in Wethersfield	Route 99 in Wethersfield	—	—

Route 315	1.95	3.14	US 202 / Route 10 in Simsbury	Route 189 in Simsbury	—	—

Route 316	6.04	9.72	Route 66 in Hebron	US 6 in Andover	—	—

Route 317	6.10	9.82	Route 67 in Roxbury	US 6 in Woodbury	—	—

Route 318	3.14	5.05	US 44 in Barkhamsted	Route 219 in Barkhamsted	—	—

Route 319	2.83	4.55	Route 190 in Stafford	Route 19 in Stafford	—	—

Route 320	7.05	11.35	Route 195 in Mansfield	I-84 in Willington	—	—

Route 322	9.80	15.77	Route 69 in Wolcott	I-691 in Southington	—	—

Route 334	4.40	7.08	Route 188 in Seymour	Route 115 in Ansonia	—	—

Route 337	4.91	7.90	US 1 in New Haven	Route 142 in East Haven	—	—

Route 341	15.97	25.70	Bog Hollow Road at the New York state line in Kent	US 202 in Washington	—	—

Route 343	1.50	2.41	NY 343 in Sharon	Route 4 / Route 41 in Sharon	—	—

Route 349	4.17	6.71	Shennecossett Road in Groton	I-95 in Groton	—	—

Route 354	7.37	11.86	Route 85 in Colchester	Route 82 in Salem	—	—

Route 361	3.54	5.70	Route 41 in Sharon	Sharon Road at the New York state line in Salisbury	—	—

Route 364	4.56	7.34	Route 120 in Southington	Route 71 in Berlin	—	—

Route 372	15.12	24.33	East Main Street at Bristol–Plainville town line	Route 99 in Cromwell	—	—

Sentence(s)

Route 77 is a state highway in southern Connecticut.
Route 77 is a state highway in Connecticut.
Route 77 is a state highway in Connecticut.

final_sentence: Route 77 is a state highway in southern Connecticut.
final_sentence: Route 77 is a state highway in Connecticut.
final_sentence: Route 77 is a state highway in Connecticut.