U.S. Route 6 in Connecticut

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U.S. Route 6
Grand Army of the Republic Highway
US 6 highlighted in red
Route information
Maintained by CTDOT
Length	116.33 mi[1] (187.21 km)
Existed	1926–present
Major junctions
West end	US 6 / US 202 in Southeast, NY
Major intersections	I-84 / US 7 / US 202 in Danbury I-84 / Route 67 in Southbury Route 9 in Farmington I-91 in Hartford Route 2 in East Hartford Route 15 in East Hartford I-84 / I-291 / I-384 / US 44 in Manchester I-384 in Bolton Route 12 in Killingly I-395 in Killingly
East end	US 6 in Foster, RI
Location
Country	United States
State	Connecticut
Counties	Fairfield, New Haven, Litchfield, Hartford, Tolland, Windham
Highway system
United States Numbered Highway System List Special Divided Connecticut State Highway System Interstate US State SSR SR Scenic
← US 5 → US 7

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.