Route 320 is a state highway in northeastern Connecticut

Connecticut

Connecticut is a state in the New England region of the northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, and the state of New York to the west and the south .Connecticut is named for the Connecticut River, the major U.S. river that approximately...

, running from Mansfield

Mansfield, Connecticut

Mansfield is a town in Tolland County, Connecticut, United States. The population was 20,720 at the 2000 census.Mansfield was incorporated in October 1702 from the Town of Windham, in Hartford County. When Windham County was formed on 12 May 1726, Mansfield then became part of that county...

 to Willington

Willington, Connecticut

Willington is a town in Tolland County, Connecticut, United States. The population was 5,959 at the 2000 census.The Willimantic River borders the town on the west. Willington is about 25 miles northeast of Hartford on Interstate 84, which also provides a connection to Boston, via the Massachusetts...

 and primarily serving as a northern link to the University of Connecticut

University of Connecticut

The admission rate to the University of Connecticut is about 50% and has been steadily decreasing, with about 28,000 prospective students applying for admission to the freshman class in recent years. Approximately 40,000 prospective students tour the main campus in Storrs annually...

.

Route description

Route 320 begins as Willington Hill Road at an intersection with Route 195

Connecticut Route 195

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...

 at the Mansfield Four Corners intersection and heads north into the town of Willington

Willington, Connecticut

Willington is a town in Tolland County, Connecticut, United States. The population was 5,959 at the 2000 census.The Willimantic River borders the town on the west. Willington is about 25 miles northeast of Hartford on Interstate 84, which also provides a connection to Boston, via the Massachusetts...

. In Willington center, it continues north, briefly overlapping Route 74

Connecticut Route 74

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...

 (Tolland Turnpike), then continues north as Ruby Road to Exit 71 of I-84. Past the I-84 overpass, Route 320 turns onto Lohse Road for another 0.1 mi (0.160934 km) and officially ends at the westbound I-84 off-ramp.

History

Route 320 was commissioned in 1963 from former SR 520 and has had no significant changes since. SR 520 itself was assigned to former town roads in Willington and Mansfield only the year before as part of the 1962 Route Reclassification Act.

Junction list

Town	Road names	Junction	Milepost
Mansfield Mansfield, Connecticut Mansfield is a town in Tolland County, Connecticut, United States. The population was 20,720 at the 2000 census.Mansfield was incorporated in October 1702 from the Town of Windham, in Hartford County. When Windham County was formed on 12 May 1726, Mansfield then became part of that county... (0.54 miles)	Willington Hill Road		0.00
Willington Willington, Connecticut Willington is a town in Tolland County, Connecticut, United States. The population was 5,959 at the 2000 census.The Willimantic River borders the town on the west. Willington is about 25 miles northeast of Hartford on Interstate 84, which also provides a connection to Boston, via the Massachusetts... (6.51 miles)	Willington Hill Road, Tolland Turnpike, Ruby Road, Lohse Road		3.39-3.56
			6.87