Route 79 is a 14.34-mile (23.08 km) state highway in southern Connecticut from Madison to Durham.

Route 79 begins at US 1 in Madison center and heads north across I-95 (at Exit 61).

It continues north, intersecting with Horse Pond Road (an unsigned state road designated as Special Service Road 450), which leads to the town offices, and eventually, Hammonasset Beach State Park.

The road runs north for another 2.3 miles (3.7 km) within Durham before ending at Route 17 south of the town center.

[1] In the 19th century, the road from Madison to Durham was known as the Durham and East Guilford Turnpike, a private toll-road established in 1811.