Connecticut US and State Route Listing
Note: This listing includes only routes in Fairfield, New Haven, Middlesex, New London, Litchfield, and Hartford counties. Routes located entirely within other counties are excluded from this listing.
West Putnam Avenue, East Putnam Avenue, West Main Street, Tresser Boulevard, East Main Street, Post Road, Connecticut Avenue, Van Buren Avenue, Belden Avenue, Cross Street, North Avenue, Westport Avenue, Post Road West, Post Road East, Kings Highway, Boston Avenue, Barnum Avenue, Bridgeport Avenue, Boston Post Road, Orange Avenue, Columbus Avenue, Church Street South, Union Avenue, Water Street, Forbes Avenue, Saltonstall Parkway, North Main Street, Halls Road, Bank Street, Jefferson Avenue, Colman Street, South Frontage Road, Long Hill Road, Poquonnock Road, Fort Hill Road, New London Road, Broadway, Roosevelt Street, Williams Avenue, Stonington Road, South Broad Street, West Broad Street
- Direction:
- North/South
- Southern Terminus:
- New York-Connecticut state line
- Northern Terminus:
- Connecticut-Rhode Island state line
- Distance:
- 117.37 miles
- Counties:
- Fairfield, New Haven, Middlesex, New London
- Signed:
- Yes
North Water Street, Trumbull Avenue, Alpha Avenue
- Direction:
- East/West
- Western Terminus:
- Stonington Road (US 1) in Stonington
- Eastern Terminus:
- Stonington Road (US 1) in Stonington
- Distance:
- 1.93 miles
- Counties:
- New London
- Signed:
- Yes
Washington Street, Chelsea Harbor Drive, Water Street, East Main Street, Stonington Road, Norwich-Westerly Road, Liberty Street
- Direction:
- East/West
- Western Terminus:
- Columbus Boulevard in Hartford
- Eastern Terminus:
- West Broad Street (US 1) in Stonington
- Distance:
- 58.03 miles
- Counties:
- Hartford, New London
- Signed:
- Yes
Poquetanuck Road, Hallville-Poquetanuck Road
- Direction:
- East/West
- Western Terminus:
- Connecticut Turnpike (I-395) and CT 2/CT 32 in Norwich
- Eastern Terminus:
- Norwich-Westerly Road (CT 2) in Preston
- Distance:
- 9.91 miles
- Counties:
- New London
- Signed:
- Yes
Newfield Street, Shunpike Road, Cromwell Avenue, Maple Street
- Direction:
- North/South
- Southern Terminus:
- Washington Street (CT 66) in Middletown
- Northern Terminus:
- CT 2 in East Hartford
- Distance:
- 14.48 miles
- Counties:
- Middlesex, Hartford
- Signed:
- Yes
Cornwall Bridge Road, Furnace Brook Road, Cemetery Hill Road, Bunker Hill Road, Sharon Turnpike, Torrington Road, Goshen Road, Migeon Avenue, North Elm Street, East Elm Street, East Main Street, New Harwinton Road, Birge Park Road, Litchfield Road, Burlington Road, Spielman Highway, Canton Road, Collinsville Road, Main Street, Farmington Avenue
- Direction:
- East/West
- Western Terminus:
- Amenia Road (CT 343) and South Main Street (CT 41) in Sharon
- Eastern Terminus:
- Boulevard and Old Mill Lane in West Hartford
- Distance:
- 46.72 miles
- Counties:
- Litchfield, Hartford
- Signed:
- Yes
State Street, Washington Avenue, South Colony Road, North Colony Road, Broad Street, Berlin Turnpike, Wilbur Cross Highway, Main Street, King Street, Ellington Road, John Fitch Boulevard, South Main Street, Prospect Hill Road, Enfield Street
- Direction:
- North/South
- Southern Terminus:
- I-91 in New Haven
- Northern Terminus:
- Connecticut-Massachusetts state line
- Distance:
- 54.59 miles
- Counties:
- New Haven, Hartford
- Signed:
- Yes
Mill Plain Road, Lake Avenue Extension, Newtown Road, Stony Hill Road, Mount Pleasant Road, Main Street, Church Hill Road, Main Street North, Main Street South, Woodbury Road, Cutler Street, Thomaston Road, Watertown Road, East Main Street, Terryville Avenue, North Street, Farmington Avenue, Scott Swamp Road, Colt Highway, Middle Turnpike West, Center Street, East Center Street, Middle Turnpike East, New Bolton Road, Boston Turnpike, Hop River Road, Willimantic Turnpike, Jonathan Trumbull Highway, Willimantic Road, Boston Post Road, Hampton Road, Hartford Turnpike, Providence Turnpike, Hartford Road, Providence Road, Providence Pike
- Direction:
- East/West
- Western Terminus:
- New York-Connecticut state line
- Eastern Terminus:
- Connecticut-Rhode Island state line
- Distance:
- 116.33 miles
- Counties:
- Fairfield, New Haven, Litchfield, Hartford, Tolland, Windham
- Signed:
- Yes
Grist Mill Road, Main Avenue, Danbury Road, Ethan Allen Highway, Federal Road, Kent Road, South Main Street, North Main Street, Kent-Cornwall Road, Cornwall Bridge Road, Sharon Canaan Road, Lime Rock Road, South Canaan Road, High Street, Elm Street, Railroad Street, Ashley Falls Road
- Direction:
- North/South
- Southern Terminus:
- Connecticut Turnpike (I-95) in Norwalk
- Northern Terminus:
- Connecticut-Massachusetts state line
- Distance:
- 78.29 miles
- Counties:
- Fairfield, Litchfield
- Signed:
- Yes
Ansonia-Derby Expressway, South Main Street, Park Place East, North Main Street, Colebrook River Road
- Direction:
- North/South
- Southern Terminus:
- Connecticut Turnpike (I-95) in Bridgeport
- Northern Terminus:
- Connecticut-Massachusetts state line
- Distance:
- 67.34 miles
- Counties:
- Fairfield, New Haven, Litchfield
- Signed:
- Yes
- Direction:
- North/South
- Southern Terminus:
- Connecticut Turnpike (I-95/US 1) in Old Saybrook
- Northern Terminus:
- Yankee Expressway (I-84) in West Hartford
- Distance:
- 40.89 miles
- Counties:
- Middlesex, Hartford
- Signed:
- Yes
Ella T. Grasso Boulevard, Whalley Avenue, Fitch Street, Arch Street, Dixwell Avenue, Whitney Avenue, South Main Street, Main Street, Highland Avenue, Cheshire Road, Norton Street, Queen Street, East Street, Farmington Avenue, Waterville Road, Simsbury Road, Hopmeadow Street, Salmon Brook Street
- Direction:
- North/South
- Southern Terminus:
- Connecticut Turnpike (I-95) in New Haven
- Northern Terminus:
- Connecticut-Massachusetts state line
- Distance:
- 54.28 miles
- Counties:
- New Haven, Hartford
- Signed:
- Yes
- Direction:
- North/South
- Southern Terminus:
- East Haddam Road (CT 82) in Salem
- Northern Terminus:
- CT 2 in Colchester
- Distance:
- 7.68 miles
- Counties:
- New London
- Signed:
- Yes
Military Highway, Laurel Hill Road, Laurel Hill Avenue, North Main Street, Boswell Avenue, Norwich Avenue, Jewett City Road, River Road, Main Street, Plainfield Road, Norwich Road, Putnam Road, Wauregan Road, Putnam Pike, Killingly Avenue, Grove Street, South Main Street, Mechanics Street, Riverside Drive
- Direction:
- North/South
- Southern Terminus:
- Long Hill Road (US 1) in Groton
- Northern Terminus:
- Connecticut-Massachusetts state line
- Distance:
- 54.46 miles
- Counties:
- New London, Windham
- Signed:
- Yes
Merritt Parkway, Wilbur Cross Parkway, Berlin Turnpike, Wilbur Cross Highway
- Direction:
- North/South
- Southern Terminus:
- Hutchinson Parkway and King Street (NY 120A) at the New York-Connecticut state line
- Northern Terminus:
- Yankee Expressway (I-84) in East Hartford
- Distance:
- 83.53 miles
- Counties:
- Fairfield, New Haven, Hartford
- Signed:
- Yes
Middletown Avenue, Colchester Avenue, Middletown Road, Linwood Avenue, Main Street, Lebanon Avenue, Pease Road
- Direction:
- East/West
- Western Terminus:
- West High Street (CT 66) in East Hampton
- Eastern Terminus:
- Exeter Road (CT 207) in Lebanon
- Distance:
- 17.05 miles
- Counties:
- Middlesex, New London
- Signed:
- Yes
Middletown Avenue, New Haven Road, Main Street, South Main Street, Hartford Avenue, Marlborough Street, Portland Cobalt Road, Gospel Lane, Glastonbury Turnpike, Glastonbury Expressway
- Direction:
- North/South
- Southern Terminus:
- I-91 and Foxon Boulevard (CT 80) in New Haven
- Northern Terminus:
- CT 2 in Glastonbury
- Distance:
- 36.88 miles
- Counties:
- New Haven, Middlesex, Hartford
- Signed:
- Yes
Main Street
- Direction:
- North/South
- Southern Terminus:
- Main Street (CT 17/CT 66) and Marlborough Street (CT 17/CT 66) in Portland
- Northern Terminus:
- Gospel Lane (CT 17) and Glastonbury Turnpike (CT 17) in Portland
- Distance:
- 3.02 miles
- Counties:
- Middlesex
- Signed:
- Yes
Riverton Road, Main Street, East River Road, Center Street, Morrison Hill Road, North Hollow Road, Granville Road, Hartland Boulevard, Hartland Road, West Granby Road, East Granby Road, Turkey Hills Road, Rainbow Road, Bradley Airport Connector
- Direction:
- East/West
- Western Terminus:
- Colebrook River Road (CT 8) in Winchester
- Eastern Terminus:
- I-91 in Windsor
- Distance:
- 31.56 miles
- Counties:
- Litchfield, Hartford
- Signed:
- Yes
Ives Street, Broadway, Davis Road, Ridge Road, Bishop Street, Clintonville Road, Forest Road, Foxon Road, Notch Hill Road
- Direction:
- East/West
- Western Terminus:
- Whitney Avenue (CT 10) in Hamden
- Eastern Terminus:
- Boston Post Road (US 1) in Guilford
- Distance:
- 14.07 miles
- Counties:
- New Haven
- Signed:
- Yes
Main Street, Mount Pleasant Road, Hawleyville Road, Whisconier Road
- Direction:
- North/South
- Southern Terminus:
- Connecticut Turnpike (I-95) in Bridgeport
- Northern Terminus:
- Federal Road (US 202) in Brookfield
- Distance:
- 28.59 miles
- Counties:
- Fairfield
- Signed:
- Yes
Denison Avenue, Greenmanville Road, Whitehall Avenue, Main Street
- Direction:
- North/South
- Southern Terminus:
- Williams Avenue (US 1) in Stonington
- Northern Terminus:
- Gold Star Highway (CT 184) in Groton
- Distance:
- 3.21 miles
- Counties:
- New London
- Signed:
- Yes
Ellington Road, Oakland Road, Deming Street, Tolland Turnpike, Hartford Turnpike, Hyde Avenue, Tolland Stage Road, Crystal Lake Road, Stafford Road
- Direction:
- East/West
- Western Terminus:
- John Fitch Boulevard (US 5) in South Windsor
- Eastern Terminus:
- West Stafford Road (CT 190) in Stafford
- Distance:
- 20.94 miles
- Counties:
- Hartford, Tolland
- Signed:
- Yes
Mohegan Avenue Parkway, Norwich-New London Turnpike, West Thames Street, Thames Street, Windham Turnpike, Windham Road, Pleasant Street, Mountain Street, Bridge Street, Main Street, Stafford Road, River Road, West Main Street, Munson Road
- Direction:
- North/South
- Southern Terminus:
- Crystal Avenue (SSR 437) in New London
- Northern Terminus:
- Connecticut-Massachusetts state line
- Distance:
- 54.88 miles
- Counties:
- New London, Windham, Tolland
- Signed:
- Yes
Saugatuck Avenue, Riverside Avenue, Wilton Road, Westport Road, Ridgefield Road, Wilton Road West
- Direction:
- North/South
- Southern Terminus:
- Saugatuck Avenue (CT 136) in Westport
- Northern Terminus:
- Main Street (CT 35) in Ridgefield
- Distance:
- 14.41 miles
- Counties:
- Fairfield
- Signed:
- Yes
Berkshire Road, Roosevelt Drive, Main Street, New Haven Avenue, Derby Turnpike, Derby Avenue, Ella T. Grasso Boulevard, Legion Avenue, South Frontage Road, North Frontage Road, MLK Boulevard, Oak Street Connector
- Direction:
- East/West
- Western Terminus:
- Yankee Expressway (I-84/US 6) in Newtown
- Eastern Terminus:
- Connecticut Turnpike (I-95) and I-91 in New Haven
- Distance:
- 24.37 miles
- Counties:
- Fairfield, New Haven
- Signed:
- Yes
South Salem Road, West Lane, Main Street, Danbury Road
- Direction:
- North/South
- Southern Terminus:
- Old Post Road (NY 35) at the Connecticut-New York state line
- Northern Terminus:
- Ethan Allen Highway (US 7) in Ridgefield
- Distance:
- 5.66 miles
- Counties:
- Fairfield
- Signed:
- Yes
North Street, Padanaram Road, Pembroke Road, Sherman-New Fairfield Road, Greenwoods Hill Road, Barnes Hill Road, Sherman Road
- Direction:
- North/South
- Southern Terminus:
- Main Street (CT 53/CT 39) and Downs Street (SR 841) in Danbury
- Northern Terminus:
- Kent Road (US 7) in New Milford
- Distance:
- 18.66 miles
- Counties:
- Fairfield, Litchfield
- Signed:
- Yes
Main Street, Clapboard Ridge Road, Ball Pond Road, Brush Hill Road, Sherman Road, New Fairfield Road, Gaylordsville Road
- Direction:
- North/South
- Southern Terminus:
- Downs Street (SR 841), Main Street (CT 53), and North Street (CT 37) in Danbury
- Northern Terminus:
- CT 55 in Sherman
- Distance:
- 22.76 miles
- Counties:
- Fairfield
- Signed:
- Yes
Mount Carmel Connector
- Direction:
- North/South
- Southern Terminus:
- I-91 in North Haven
- Northern Terminus:
- Whitney Avenue (CT 10) in Hamden
- Distance:
- 3.08 miles
- Counties:
- New Haven
- Signed:
- Yes
Amenia Union Road, South Main Street, Main Street, North Main Street, Gay Street, Sharon Road, Under Mountain Road
- Direction:
- North/South
- Southern Terminus:
- Amenia Union Road (Dutchess CR 2) and Leedsville Road (Dutchess CR 2) at the New York-Connecticut state line
- Northern Terminus:
- South Undermountain Road (MA 41) at the Connecticut-Massachusetts state line
- Distance:
- 17.86 miles
- Counties:
- Litchfield
- Signed:
- Yes
Chestnut Tree Hill Road, Pines Bridge Road, Old Turnpike Road, South Main Street, Bethany Road, Munson Road, Lasky Road, Beacon Road, Litchfield Turnpike, Cheshire Road, Mountain Road, Bethany Mountain Road, North Brooksvale Road
- Direction:
- East/West
- Western Terminus:
- Oxford Road (CT 67) in Oxford
- Eastern Terminus:
- South Main Street (CT 10) in Cheshire
- Distance:
- 13.58 miles
- Counties:
- New Haven
- Signed:
- Yes
Cornwall Hollow Road
- Direction:
- North/South
- Southern Terminus:
- Bunker Hill Road (CT 4), Cemetery Hill Road (CT 4), and Sharon-Goshen Turnpike (CT 128) in Cornwall
- Northern Terminus:
- Hollenbeck Road (CT 63) in Cornwall
- Distance:
- 5.06 miles
- Counties:
- Litchfield
- Signed:
- Yes
Millerton Road, Main Street, East Main Street, Canaan Road, Salisbury Road, Church Street, East Canaan Road, Greenwoods Road West, Greenwoods Road East, Winsted Road, Winsted-Norfolk Road, South Main Street, New Hartford Road, Albany Turnpike, Albany Avenue, West Main Street, Avon Mountain Road, Morgan Street, Connecticut Boulevard, Burnside Avenue, Middle Turnpike West, Boston Turnpike, Middle Turnpike, Squaw Hollow Road, Pompey Hollow Road, Ashford Center Road, Hartford Turnpike, Pomfret Road, Mashamoquet Road, Averill Road, Pomfret Street, Putnam Road, Front Street, School Street, Providence Pike
- Direction:
- East/West
- Western Terminus:
- New York-Connecticut state line
- Eastern Terminus:
- Connecticut-Rhode Island state line
- Distance:
- 106.03 miles
- Counties:
- Litchfield, Hartford, Tolland, Windham
- Signed:
- Yes
East Shore Road, Lake Road, Kent Road, Cornwall Road, Warren Hill Road
- Direction:
- North/South
- Southern Terminus:
- New Milford Turnpike (US 202) in New Preston
- Northern Terminus:
- Kent Road (US 7) in Cornwall
- Distance:
- 10.29 miles
- Counties:
- Litchfield
- Signed:
- Yes
Washington Road, Washington Woodbury Road, Woodbury Road, Green Hill Road, Bee Brook Road
- Direction:
- North/South
- Southern Terminus:
- Main Street South (US 6) and Main Street North (US 6) in Woodbury
- Northern Terminus:
- New Milford Turnpike (US 202) and Litchfield Turnpike (US 202) in Washington
- Distance:
- 12.27 miles
- Counties:
- Litchfield
- Signed:
- Yes
North Street, Pendleton Hill Road, Ekonk Hill Road
- Direction:
- North/South
- Southern Terminus:
- Liberty Street (CT 2) in Stonington
- Northern Terminus:
- Plainfield Pike (CT 14A) in Sterling
- Distance:
- 21.74 miles
- Counties:
- New London, Windham
- Signed:
- Yes
East Avenue, Newtown Avenue, Chestnut Hill Road, Cedar Road, Norfield Road, Newtown Turnpike, Redding Road, Turkey Plain Road, Grassy Plain Street, South Street, Main Street
- Direction:
- North/South
- Southern Terminus:
- North Avenue (US 1) in Norwalk
- Northern Terminus:
- North Street (CT 37), Main Street (CT 39), and Downs Street (SR 841) in Danbury
- Distance:
- 23.57 miles
- Counties:
- Fairfield
- Signed:
- Yes
Webatuck Road
- Direction:
- East/West
- Western Terminus:
- New York-Connecticut state line
- Eastern Terminus:
- Kent Road (US 7) in New Milford
- Distance:
- 2.64 miles
- Counties:
- Fairfield, Litchfield
- Signed:
- Yes
Kings Highway North, Canal Street, Main Street, Weston Road, Georgetown Road, Redding Road, School Street
- Direction:
- North/South
- Southern Terminus:
- Wilton Road (CT 33) in Westport
- Northern Terminus:
- Norwalk-Danbury Road (US 7) in Wilton
- Distance:
- 9.51 miles
- Counties:
- Fairfield
- Signed:
- Yes
Tunxis Hill Road, Black Rock Turnpike, Black Rock Road, Putnam Park Road
- Direction:
- North/South
- Southern Terminus:
- Kings Highway (US 1) in Fairfield
- Northern Terminus:
- Milwaukee Avenue (CT 302) in Bethel
- Distance:
- 18.58 miles
- Counties:
- Fairfield
- Signed:
- Yes
Brooklawn Avenue, Stratfield Road, Easton Turnpike, Sport Hill Road, Stepney Road
- Direction:
- North/South
- Southern Terminus:
- North Avenue (US 1) in Bridgeport
- Northern Terminus:
- Main Street (CT 25) in Monroe
- Distance:
- 12.03 miles
- Counties:
- Fairfield
- Signed:
- Yes
Bethlehem Road, Main Street South, Main Street North, South Street, North Street, County Road
- Direction:
- North/South
- Southern Terminus:
- Main Street North (US 6) in Woodbury
- Northern Terminus:
- Litchfield Road (CT 63) in Morris
- Distance:
- 9.16 miles
- Counties:
- Litchfield
- Signed:
- Yes
Whalley Avenue, Amity Road, New Haven Road, South Main Street, Cherry Street, Meadow Street, Church Street, North Church Street, Straits Turnpike, Main Street, Litchfield Road, Watertown Road, South Plains Road, South Street, North Street, Goshen Road, Old Middle Street, Hollenbeck Road, Huntsville-South Canaan Road
- Direction:
- North/South
- Southern Terminus:
- Whalley Avenue (CT 10) and Fitch Street (CT 10) in New Haven
- Northern Terminus:
- South Canaan Road (US 7) in Canaan
- Distance:
- 52.57 miles
- Counties:
- New Haven, Hartford, Litchfield
- Signed:
- Yes
Sherman Hill Road, Middlebury Road, Chase Parkway
- Direction:
- East/West
- Western Terminus:
- Main Street (US 6) in Woodbury
- Eastern Terminus:
- Yankee Expressway (I-84) in Waterbury
- Distance:
- 8.14 miles
- Counties:
- Litchfield, New Haven
- Signed:
- Yes
Meriden Road, Washington Street, Main Street, Marlborough Street, Portland Cobalt Road, West High Street, East High Street, East Hampton Road, Hebron Road, West Main Street, Middletown Road, Willimantic Road, Columbia Avenue, Boston Post Road
- Direction:
- East/West
- Western Terminus:
- I-691 and I-91 in Meriden
- Eastern Terminus:
- Boston Post Road (US 6) in Windham
- Distance:
- 38.38 miles
- Counties:
- New Haven, Middlesex, Hartford, Tolland, Windham
- Signed:
- Yes
Seymour Road, New Haven Road, North Main Street, Bank Street, Oxford Road, Southford Road, Roxbury Road, Southbury Road, Church Street, North Street, Baker Road, New Milford Road East, New Milford Road West, Prospect Hill Road, Bridge Road
- Direction:
- North/South
- Southern Terminus:
- Amity Road (CT 63) in Woodbridge
- Northern Terminus:
- Kent Road (US 7) and Danbury Road (US 7/US 202) in New Milford
- Distance:
- 31.00 miles
- Counties:
- New Haven, Litchfield
- Signed:
- Yes
Bridge Street, Prospect Street, Union City Road, Cheshire Road, Prospect Road, Yalesville Road, Church Street, Barnes Road, Durham Road, Wallingford Road
- Direction:
- East/West
- Western Terminus:
- Church Street (CT 63) in Naugatuck
- Eastern Terminus:
- Main Street (CT 17) in Durham
- Distance:
- 22.09 miles
- Counties:
- New Haven, Middlesex
- Signed:
- Yes
Whalley Avenue, Litchfield Turnpike, Carrington Road, Prospect Road, Hamilton Avenue, Silver Street, Meriden Road, Woodtick Road, Stillson Road, Wolcott Street, Wolcott Road, West Street, Burlington Avenue, Milford Street
- Direction:
- North/South
- Southern Terminus:
- Amity Road (CT 63) in New Haven
- Northern Terminus:
- Spielman Highway (CT 4) in Burlington
- Distance:
- 35.16 miles
- Counties:
- New Haven, Hartford
- Signed:
- Yes
Waterbury Road, West Main Street, Main Street, Academy Road, South Meriden Road, River Road, Hanover Avenue
- Direction:
- East/West
- Western Terminus:
- Yankee Expressway (I-84) in Cheshire
- Eastern Terminus:
- Old Colony Road (CT 71) in Meriden
- Distance:
- 10.92 miles
- Counties:
- New Haven
- Signed:
- Yes
South Broad Street, Old Colony Road, Cook Avenue, West Main Street, Chamberlain Highway, High Road, Percival Avenue, Main Street, New Britain Road, South Main Street, Franklin Square, Elm Street, Martin Luther King Drive, Stanley Street, Hartford Road, South East Road, New Britain Avenue
- Direction:
- North/South
- Southern Terminus:
- North Colony Road (US 5) and South Broad Street (US 5) in Wallingford
- Northern Terminus:
- New Britain Avenue (CT 173) and South Main Street (CT 173) in West Hartford
- Distance:
- 19.19 miles
- Counties:
- New Haven, Hartford
- Signed:
- Yes
Chamberlain Highway, High Road, Kensington Avenue
- Direction:
- North/South
- Southern Terminus:
- Chamberlain Highway (CT 71) in Berlin
- Northern Terminus:
- Buell Street in New Britain
- Distance:
- 2.92 miles
- Counties:
- Hartford
- Signed:
- Yes
Poland Brook Road, North Riverside Avenue, South Riverside Avenue, Terryville Road, Park Street, Divinity Street, School Street, Main Street, Riverside Avenue, Middle Street, Broad Street, East Main Street, Forestville Avenue
- Direction:
- East/West
- Western Terminus:
- Burlington Road (CT 4) in Harwinton
- Eastern Terminus:
- CT 9 in New Britain
- Distance:
- 20.10 miles
- Counties:
- Litchfield, Hartford
- Signed:
- Yes
Main Street, Watertown Avenue
- Direction:
- East/West
- Western Terminus:
- Straits Turnpike (CT 63) in Watertown
- Eastern Terminus:
- CT 8 in Waterbury
- Distance:
- 3.46 miles
- Counties:
- Litchfield, New Haven
- Signed:
- Yes
Ellington Road, Wapping Wood Road, Windsorville Road, Union Street, East Main Street, Tolland Avenue, Tolland Stage Road, Tolland Turnpike, Nott Highway
- Direction:
- East/West
- Western Terminus:
- Sullivan Avenue (CT 194) in South Windsor
- Eastern Terminus:
- Squaw Hollow Road (US 44) in Ashford
- Distance:
- 22.21 miles
- Counties:
- Hartford, Tolland, Windham
- Signed:
- Yes
Poquonock Avenue, Ella T. Grasso Turnpike, South Street, South Main Street, North Main Street, North Street
- Direction:
- North/South
- Southern Terminus:
- Broad Street (CT 159) in Windsor
- Northern Terminus:
- Connecticut-Massachusetts state line
- Distance:
- 13.52 miles
- Counties:
- Hartford
- Signed:
- Yes
Whitfield Street, Broad Street, Church Street, Durham Road, Guilford Road
- Direction:
- North/South
- Southern Terminus:
- Whitfield Street (CT 146) and Boston Street (CT 146) in Guilford
- Northern Terminus:
- New Haven Road (CT 17) in Durham
- Distance:
- 13.85 miles
- Counties:
- New Haven, Middlesex
- Signed:
- Yes
Westerly Bypass
- Direction:
- East/West
- Western Terminus:
- Liberty Street (CT 2) in Stonington
- Eastern Terminus:
- Connecticut-Rhode Island state line
- Distance:
- 0.43 miles
- Counties:
- New London
- Signed:
- Yes
Durham Road, Madison-Durham Road, Madison Road
- Direction:
- North/South
- Southern Terminus:
- Boston Post Road (US 1) in Madison
- Northern Terminus:
- Main Street (CT 17) in Durham
- Distance:
- 14.34 miles
- Counties:
- New Haven, Middlesex
- Signed:
- Yes
Foxon Boulevard, Foxon Road, Branford Road, Killingworth Road, Old Toll Road, North Branford Road, Deep River Road, Winthrop Road, Elm Street
- Direction:
- East/West
- Western Terminus:
- I-91 and Middletown Avenue (CT 17) in New Haven
- Eastern Terminus:
- Main Street (CT 154) in Deep River
- Distance:
- 25.91 miles
- Counties:
- New Haven, Middlesex
- Signed:
- Yes
Hull Street, Central Avenue, High Street, Killingworth Turnpike, Clinton Road, Higganum Road, Killingworth Road
- Direction:
- North/South
- Southern Terminus:
- West Main Street (US 1) in Clinton
- Northern Terminus:
- Saybrook Road (CT 154) in Haddam
- Distance:
- 15.75 miles
- Counties:
- Middlesex
- Signed:
- Yes
Bridge Road, East Haddam Bridge, Norwich Road, Town Street, Norwich-Salem Road, East Haddam Road, Norwich-Salem Turnpike, Salem Turnpike, West Main Street
- Direction:
- East/West
- Western Terminus:
- CT 9 in Chester
- Eastern Terminus:
- Chelsea Harbor Drive (CT 2) in Norwich
- Distance:
- 28.47 miles
- Counties:
- Middlesex, New London
- Signed:
- Yes
Manchester Road, South Main Street, Main Street, North Main Street, Oakland Street, Talcottville Road, Windsor Avenue, Union Street, West Street, West Road, Somers Road, South Road, Springfield Road
- Direction:
- North/South
- Southern Terminus:
- New London Turnpike in Glastonbury
- Northern Terminus:
- Connecticut-Massachusetts state line
- Distance:
- 27.56 miles
- Counties:
- Hartford, Tolland
- Signed:
- Yes
Broad Street, Hartford Turnpike, Hartford-New London Turnpike, New London Road, South Main Street, Main Street, Broadway, Church Street, North Street, West Street, Clark Road, Bolton Center Road
- Direction:
- North/South
- Southern Terminus:
- Colman Street (US 1) in New London
- Northern Terminus:
- New Bolton Road (US 6/US 44) and Boston Turnpike (US 6/US 44) in Bolton
- Distance:
- 37.38 miles
- Counties:
- New London, Tolland
- Signed:
- Yes
Norwich-Lebanon Road, Trumbull Highway
- Direction:
- North/South
- Southern Terminus:
- Windham Turnpike (CT 32) in Franklin
- Northern Terminus:
- Willimantic Road (US 6) in Andover
- Distance:
- 16.62 miles
- Counties:
- New London, Tolland
- Signed:
- Yes
Hebron Avenue, Gilead Street
- Direction:
- East/West
- Western Terminus:
- CT 2 in Glastonbury
- Eastern Terminus:
- North Street (CT 85) in Hebron
- Distance:
- 9.33 miles
- Counties:
- Hartford, Tolland
- Signed:
- Yes
Norwich Avenue, Taftville-Occum Road, Bridge Street, Baltic Road, Main Street, Scotland Road, Devotion Road, Pudding Hill Road, Pomfret Road, Deerfield Road
- Direction:
- North/South
- Southern Terminus:
- Jewett City Road (CT 12) and Norwich Avenue (CT 12) in Norwich
- Northern Terminus:
- Pomfret Street (US 44/CT 169) and Putnam Road (US 44) in Pomfret
- Distance:
- 29.14 miles
- Counties:
- New London, Windham
- Signed:
- Yes
Main Street, Silas Deane Highway
- Direction:
- North/South
- Southern Terminus:
- CT 9 in Cromwell
- Northern Terminus:
- Wilbur Cross Highway (US 5/CT 15) at the Hartford city line
- Distance:
- 10.64 miles
- Counties:
- Middlesex, Hartford
- Signed:
- Yes