The Farmington River is a river, 46.7 miles (75.2 km) in length along its main stem, located in northwest Connecticut with major tributaries extending into southwest Massachusetts. The longest route of the river, from the origin of its West Branch, is 80.4 miles (129.4 km) long, making it the Connecticut River's longest tributary by 2.3 miles (3.7 km) over the major river directly to its north, the Westfield River. The Farmington River's watershed covers 609 square miles (1,580 km2). Historically, the river played an important role in small-scale manufacturing in towns along its course, but it is now mainly used for recreation and drinking water.
New Hampshire Route 11 is a 108.223-mile-long (174.168 km) east–west state highway in New Hampshire, running completely across the central part of the state. Its western terminus is at the Vermont state line in Charlestown, where it continues west as Vermont Route 11. The eastern terminus is at the Maine state line in Rochester, where it crosses the border with U.S. Route 202 and continues as Maine State Route 11.
Route 9 is a 40.89-mile-long (65.81 km) expressway beginning in Old Saybrook and ending at I-84 near the Farmington–West Hartford town line. It connects the Eastern Coastline of the state along with the Lower Connecticut River Valley to Hartford and the Capital Region.
Route 4 is an east–west primary state highway connecting rural Litchfield County to the Greater Hartford area of the U.S. state of Connecticut. It runs 46.72 miles (75.19 km) from the town of Sharon to the town of West Hartford.
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 57 is a secondary state highway in western Connecticut serving as the "Main Street" of and connecting the towns of Westport and Weston. The road continues north through Redding to end at US 7 just after crossing into Wilton, in the neighborhood of Georgetown.
Connecticut Route 10 is a state highway that runs between New Haven and the state line near Granby. It continues north of the state line as Massachusetts Route 10, which in turn continues directly to New Hampshire Route 10.
Route 37 is a north–south state highway in Connecticut running for 18.66 miles (30.03 km) from Route 39 in Danbury, through New Fairfield, to U.S. Route 7 in New Milford. The northernmost section between the town centers of Sherman and New Milford was once part of an early toll road known as the New Milford and Sherman Turnpike chartered in 1818.
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 219 is a state highway in northern Connecticut, running from New Hartford to Granby.
Route 151 is a Connecticut state highway in the Connecticut River valley running from East Haddam via Moodus to the village of Cobalt in East Hampton.
Route 181 is a rural state highway in northern Connecticut, running from Barkhamsted to Hartland.
Route 136 is a state highway in southwestern Connecticut, running from Darien to Easton. The route was initially established in 1932 to serve the beach communities between Darien and Southport. Its eastern end was relocated in 1963 to head northeast from Westport to Easton instead.
Route 187 is a 27.23-mile-long (43.82 km) secondary state route in the U.S. states of Connecticut and Massachusetts. It begins in the city of Hartford at Albany Avenue, travels north through the towns of Bloomfield, Windsor, East Granby and Suffield until the Connecticut-Massachusetts state line. Route 187 continues north across the state line through Agawam into Westfield, where the route ends at US 20 east of Westfield center. Route 187 crosses the Farmington River between the towns of Bloomfield and East Granby.
Route 177 is a state highway in central Connecticut, running from Plainville to Canton.
Route 179 is a state highway in northern Connecticut, running from Burlington to Hartland.
In Connecticut, U.S. Route 202 is usually signed as an east–west route. It enters from the New York state line in Danbury overlapped with U.S. Route 6 and ends at the Massachusetts state line in Granby overlapped with Route 10. Although the route serves no major city centers for most of its run, with the largest city being Danbury, it does pass through Hartford County, serving the northern fringe of Greater Hartford. US 202 is overlapped with other routes for most of its length.
Route 185 is a Connecticut state highway in the western Hartford suburbs, running from Simsbury to West Hartford.
Route 189 is a 22.43-mile-long (36.10 km) state route in the U.S. states of Connecticut and Massachusetts. The route begins in the northwestern portion of the Connecticut state capital of Hartford and ends in the rural town of Granville. In Massachusetts, the route is not a state highway and is maintained by the town of Granville.
U.S. Route 44 (US 44) is an east–west United States Numbered Highway that runs for 237 miles (381 km) through four states in the Northeastern United States. The western terminus is at US 209 and New York State Route 55 (NY 55) in Kerhonkson, New York, a hamlet in the Hudson Valley region. The eastern terminus is at Route 3A in Plymouth, Massachusetts.
Route 4 in Farmington 
US 202 / Route 10 in Simsbury 
