Route 63
Map of western Connecticut with Route 63 highlighted in red
Route information
Maintained by CTDOT
Length	52.57 mi[1] (84.60 km)
Existed	1932[2]–present
Major junctions
South end	Route 10 in New Haven
Major intersections	Route 8 in Naugatuck I-84 in Middlebury
North end	US 7 in Canaan
Location
Country	United States
State	Connecticut
Counties	New Haven, Litchfield
Highway system
Connecticut State Highway System Interstate US State SSR SR Scenic
← Route 61 → Route 64

Route 63 is a secondary state highway in the U.S. state of Connecticut, from New Haven up to Canaan, running for 52.57 miles (84.60 km). It connects the Greater New Haven area to Northwestern Connecticut via the western suburbs of Waterbury.

Route description

Route 63 follows a mostly northwest-southeast path its entire route, and is mostly a 2 lane road with some 4 lane sections. It begins at the corner of Whalley Avenue and Fitch Street in New Haven where Route 10 turns onto Fitch Street. Heading northwest on Whalley Avenue, it almost immediately passes the eastern end of Route 243 and the northern end of Route 122. About 0.6 miles later, it leaves Whalley Avenue for Amity Road at the southern end of Route 69. It then passes under the Wilbur Cross Parkway (Route 15), offering southbound access only. After crossing into Woodbridge, the road becomes less suburban in nature. In Woodbridge, it intersects the eastern end of Route 114, and the southern/eastern end of Route 67. It then crosses into Bethany, where it has a brief (0.1 mile) concurrency with Route 42. It then enters Naugatuck, where the road takes on a more suburban character. It then meets the Route 8 expressway at Exit 26 before crossing the Naugatuck River into the downtown area. It then passes by the western end of Route 68 before becoming more rural again. After clipping the southwest corner of Waterbury, it enters Middlebury. After meeting the northern end of Route 188, it intersects I-84 at Exit 17, with access to/from the west. Access to/from I-84 east is provided by Route 64 at the next intersection. Route 63 then enters Litchfield County and the town of Watertown. Here it is a major retail strip in the southern part of town. It meets the northern end of Route 73 before crossing US 6 in the center of town. It then becomes a minor arterial road north of town, and passes by the eastern end of Route 132 before entering Morris. In Morris, it has junctions with Route 109 and the northern end of Route 61. It then enters Litchfield, where it meets US 202 at the Litchfield Green. Leaving Litchfield, Route 63 becomes a minor rural road as it passes into Goshen. It meets Route 4 at a traffic circle in the center of town. North of there, it passes into Cornwall, where it meets the north end of Route 43, then into the town of Canaan. It has one junction with the southern end of Route 126, which leads to Falls Village. Route 63 ends approximately 1.5 miles later at US 7. ^[3]

A 3.4-mile (5.5 km) section of the road in Litchfield is a designated state scenic road.^[4]

History

Route 63 was designated in 1932^[2] and originally connected Morris to Woodbridge using the alignment of the Straits Turnpike, an early 19th-century toll road connecting New Haven to Litchfield. Route 63 is still locally called the Straits Turnpike in Middlebury and Watertown. In the mid-1940s, Route 61 between Morris and Cornwall was reassigned to an extended Route 63. Another extension happened on September 11, 1951 when Route 63 took over part of Route 43 from Cornwall to Canaan where it ends today.^[5] In 1954, Route 63 was extended south to US 1 via an overlap with Route 10.^[6]

Junction list

County	Location	mi	km	Destinations	Notes
New Haven	New Haven	0.00	0.00	Route 10 (Fitch Street / Whalley Avenue) – Hamden, Westville
		0.12	0.19	Route 243 west – Ansonia
		0.71	1.14	Route 122 south – Allingtown
		1.29	2.08	Route 69 north – Bethany, Prospect, Waterbury
		1.51	2.43	Route 15 south – New York City	Exit 59 on Route 15 / Wilbur Cross Parkway; southbound entrance only
	Woodbridge	2.85	4.59	Route 114 west – Orange
		4.69	7.55	Route 67 west – Seymour
	Bethany	10.04	16.16	Route 42 west – Beacon Falls	Western terminus of Route 42 overlap
		10.14	16.32	Route 42 east – Cheshire	Eastern terminus of Route 42 overlap
	Naugatuck	14.40	23.17	Route 8 – Bridgeport, Waterbury	Exit 26 on Route 8
		15.80	25.43	Route 68 east – Prospect, Waterbury, Cheshire
	Middlebury	18.07	29.08	Route 188 west – Middlebury Center
		18.97– 19.39	30.53– 31.21	I-84 west – Danbury Route 64 to I-84 east – Middlebury, Waterbury	Exit 17 on I-84; I-84 east via Route 64 east
Litchfield	Watertown	22.93	36.90	Route 73 south – Oakville
		24.20	38.95	US 6 – Woodbury, Thomaston
		27.35	44.02	Route 132 south – Bethlehem
	Morris	30.81	49.58	Route 109 – Morris, Thomaston
		32.18	51.79	Route 61 south – Bethlehem, Morris
	Litchfield	34.91	56.18	Route 118 east – Harwinton
		34.95	56.25	US 202 east – Torrington	Eastern terminus of US 202 overlap
		34.99	56.31	US 202 west – New Milford	Western terminus of US 202 overlap
	Goshen	41.18	66.27	Route 4 – Cornwall, Torrington	Rotary
	Cornwall	47.62	76.64	Route 43 south – Cornwall
	Canaan	51.21	82.41	Route 126 north – Falls Village
		52.57	84.60	US 7 – Sharon, Canaan, Norfolk, Sheffield
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus       Incomplete access