Route 32 is a 54.88-mile (88.32 km) primary north–south state highway in the U.S. state of Connecticut, beginning in New London and continuing via Willimantic to the Massachusetts state line, where it continues as Route 32 in that state.
U.S. Route 6 (US 6) within the state of Connecticut runs for 116.33 miles (187.21 km) from the New York state line near Danbury to the Rhode Island state line in Killingly. West of Hartford, the route either closely parallels or runs along Interstate 84 (I-84), which has largely supplanted US 6 as a through route in western Connecticut. East of Hartford, US 6 serves as a primary route for travel between Hartford and Providence.
Route 30 is a Connecticut state highway running from South Windsor to Stafford. Although officially designated north–south, the section from South Windsor to Vernon is a major east–west arterial road.
Route 39 is a north–south state highway in Connecticut. It is one of the main roads in downtown Danbury. Route 39 begins at the junction of Route 53 and 37, near I-84, and runs for 22.76 miles (36.63 km) north through New Fairfield and Sherman, ending at Route 55 in Sherman.
Route 31 is a north–south state highway in Connecticut running for 14.34 miles (23.08 km) from Route 74 in Vernon to Route 32 in Mansfield. Although it is officially logged as an east-west route, it is signed north-south.
Route 74 is a state highway in Connecticut in the eastern part of the Greater Hartford area. It runs from Route 194 in South Windsor to US 44 in Ashford, going through the towns of Ellington, Vernon, Tolland, and Willington. East of its junction with I-84, it becomes a rural collector road.
Route 89 is a state highway in northeastern Connecticut, running from eastern Mansfield to southern Union. It connects the villages of Mansfield Center, Warrenville, and Westford. It is a two-lane rural collector road throughout its entire length, following the path of the Mount Hope River.
Route 87 is a Connecticut state highway running from Franklin to Andover, generally in a southeast–northwest direction. The route is part of the road connecting the towns of Norwich, Lebanon, Columbia, and Andover. Route 87 is a two-lane rural collector road for its entire length.
Route 71 is a north–south state highway in Connecticut, running from Wallingford to West Hartford. It is the main north–south road of Meriden, Berlin and New Britain.
Route 319 is a state highway in northern Connecticut running entirely in Stafford.
Route 316 is a state highway in east central Connecticut running from Hebron to Andover.
Route 203 is a state highway in eastern Connecticut, running entirely within the town of Windham.
Route 173 is a Connecticut state highway in the southern and western suburbs of Hartford, running from Newington to West Hartford.
Route 177 is a state highway in central Connecticut, running from Plainville to Canton.
Route 195 is a state highway in northeastern Connecticut, running from the Willimantic section of Windham to the town center of Tolland via the Storrs section of Mansfield. The road is the main thoroughfare to access the main campus of the University of Connecticut.
Route 197 is a 14.17-mile-long (22.80 km) state highway in northeastern Connecticut and southern Massachusetts, running from Union, Connecticut, to Dudley, Massachusetts. The Connecticut section is signed as an east–west route, while the Massachusetts section is signed north–south.
Route 275 is a state highway in northeastern Connecticut running from Coventry to the Storrs section of Mansfield, and serving as a western feeder to the University of Connecticut.
Route 322 is a state highway in west central Connecticut, running from Wolcott to Southington.
Route 372 is a 14.95-mile (24.06 km) state highway I Hartford and Middlesex counties in central Connecticut, United States, running from Plainville to Cromwell, and serving to communicate between the numerous freeways in the area. The section of Route 372 from Route 10 in Plainville to the Plainville-New Britain town line is designated the Joseph E. Tinty Memorial Highway. The section of Route 372 from the interchange with Route 72 in New Britain to the intersection with Route 71A and SR 571 in Berlin is designated the Polish Legion of American Veterans Memorial Highway.
State Road 541 is a 0.82-mile-long (1.32 km) unsigned highway in the US state of Connecticut. The road is contained inside the town of Vernon. It runs from Route 533 to Route 30.
Route 195 in Mansfield 
I-84 in Willington 
