Connecticut Route 80

Route 80
Map of southern Connecticut with Route 80 highlighted in red
Route information
Maintained by CTDOT
Length	25.91 mi[1] (41.70 km)
Existed	1932[2]–present
Major junctions
West end	I-91 / Route 17 in New Haven
Major intersections	Route 77 in Guilford Route 9 in Deep River
East end	Route 154 in Deep River
Location
Country	United States
State	Connecticut
Counties	New Haven, Middlesex
Highway system
Connecticut State Highway System Interstate US State SSR SR Scenic
← Route 79 → Route 81

Connecticut Route 80 is a 25.9 mile highway that runs through south-central Connecticut. The route runs from Interstate 91 (I-91) in Quinnipiac Meadows neighborhood of New Haven east to Route 154 in Deep River. Route 80 runs within 5 miles of many town squares- including Downtown New Haven.