Route 175 is a state highway in central Connecticut, running from New Britain to Wethersfield.

Quick Facts Route 175, Route information ...

Route 175
Map of Hartford County in northern Connecticut with Route 175 highlighted in red
Route information
Maintained by CTDOT
Length	6.19 mi[1] (9.96 km)
Existed	1932[2]–present
Major junctions
West end	Route 71 in New Britain
Major intersections	Route 9 at New Britain–Newington town line US 5 / Route 15 (Berlin Turnpike) at Newington–Wethersfield town line
East end	Route 99 in Wethersfield
Location
Country	United States
State	Connecticut
Counties	Hartford
Highway system
Connecticut State Highway System Interstate US State SSR SR Scenic
← Route 174 → Route 176

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Route 175 begins at an intersection with Route 71 in New Britain. It heads east and north along the perimeter of Central Connecticut State University, then turns east again and intersects Route 9 at the Newington town line. In Newington, it continues east across town, intersecting with Route 173 and Route 176. At the Wethersfield town line, it meets US 5 and Route 15 (Berlin Turnpike) at a grade separated interchange, and continues east to end at an intersection with Route 99.^[1]

Route 175 was commissioned in 1932.^[2] The original route followed the current route to Route 176 and the current Route 176 and its former extension into Hartford along Newington Avenue. In 1940, the section north of the junction with Route 176 was transferred to Routes 176 and 176A. At the same time, Route 175 was extended east along former SR 775 to the Silas Deane Highway (then Route 9). In 1968, a section in Newington and Wethersfield was rerouted slightly to the north. Part of the old road was abandoned; the remainder was reassigned to modern SSR 405.^[3]

The entire route is in Hartford County.

More information Location, mi ...

Location	mi[1]	km	Destinations	Notes
New Britain	0.00	0.00	Route 71 – West Hartford, Kensington
New Britain–Newington line	1.01	1.63	Route 9 – Farmington, Middletown	Exit 38 on CT 9; old 29 Access to CT 9 northbound via Fenn Road (SR 505)
Newington	2.30	3.70	Route 173 – West Hartford, Berlin
	2.81	4.52	Route 176 – Elmwood, Berlin
Newington–Wethersfield line	3.89	6.26	US 5 / Route 15 (Berlin Turnpike) – Hartford, New Haven
Wethersfield	6.19	9.96	Route 99 – Hartford, Rocky Hill	Eastern terminus of CT 175
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

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