Route 318 is a state highway in northern 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 entirely in Barkhkamsted

Barkhamsted, Connecticut

Barkhamsted is a town in Litchfield County in Connecticut and contains six villages, West Hill, Mallory, Center Hill, Washington Hill, Pleasant Valley and Riverton. The population was 3,494 at the 2000 census...

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Description

Route 318 begins at an intersection with US 44

U.S. Route 44

U.S. Route 44 is an east–west United States highway that runs for 237 miles through four states in the Northeastern region of the United States. The western terminus is at U.S. Route 209 and New York State Route 55 in Kerhonkson, a hamlet in the Hudson Valley region of New York...

 in Barkhamsted and heads east-northeast. It overlaps Route 181

Connecticut Route 181

Route 181 is a rural state highway in northern Connecticut, running from Barkhamsted to Hartland.-Route description:Route 181 begins as River Road at an intersection with US 44 in southern Barkhamsted. The road heads north into the village of Pleasant Valley, where it briefly overlaps Route 318...

, heading east, to cross the West Branch Farmington River

Farmington River

The Farmington River is a river located in northwest Connecticut, with major tributaries extending into southwest Massachusetts. Via its longest branch , the Farmington's length increases to , making it the Connecticut River's longest tributary by a mere over the major river directly to its...

, then continues east over the Saville Dam

Saville Dam

Saville Dam is an earthen embankment dam with masonry work on the eastern branch of the Farmington River 4 km southwest of Barkhamsted, Connecticut. The dam is 135 ft. tall and 1,950 ft. long and has an uncontrolled spillway on its western portion...

 past Lake McDonough, ending at a "Y" intersection with Route 219

Connecticut Route 219

Route 219 is a state highway in northern Connecticut, running from New Hartford to Granby.-Route description:Route 219 begins at an intersection with US 202 in southern New Hartford and heads north, northeast, and east before crossing the West Branch Farmington River at the town center...

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Special designation

The section of Route 318 from Route 181 to Route 219 is designated a scenic road.

History

Route 318 was commissioned from SR 860 (Ripley Hill Road) and SR 418 (Saville Dam Road) in 1963 and has had no significant changes since. SR 418 was first designated as a state road in 1937 from Route 181 to the Saville Dam. This was extended across the dam two years later. SR 860 was taken over by the state in 1957.

Junction list

Town	Road names	Junction	Milepost
Barkhamsted Barkhamsted, Connecticut Barkhamsted is a town in Litchfield County in Connecticut and contains six villages, West Hill, Mallory, Center Hill, Washington Hill, Pleasant Valley and Riverton. The population was 3,494 at the 2000 census... (3.14 miles)	Ripley Hill Rd., Pleasant Valley Rd., Saville Dam Rd.		0.00
		(Begin Concurrency)	0.73
		(End Concurrency)	1.47
			3.14