Connecticut Route 40

Route 40
Map of New Haven County in southern Connecticut with Route 40 highlighted in red
Route information
Maintained by CTDOT
Length	3.08 mi[1] (4.96 km)
Existed	1976–present
Major junctions
South end	I-91 / Bailey Road in North Haven
Major intersections	US 5 / SR 717 in North Haven
North end	Route 10 in Hamden
Location
Country	United States
State	Connecticut
Counties	New Haven
Highway system
Connecticut State Highway System Interstate US State SSR SR Scenic
← Route 39 → Route 41

Route 40, also known as the Mount Carmel Connector, is a 3.08-mile (4.96 km) freeway connecting Interstate 91 and Bailey Road in North Haven, Connecticut to Route 10 in the Mount Carmel neighborhood of Hamden. Route 40 is a four-lane freeway with one intermediate exit leading to/from U.S. Route 5 in North Haven. It crosses over Route 15 (Wilbur Cross Parkway) but does not have an interchange with it. This is the only place in the state where two freeways cross without an interchange.