New York State Route 13 is a north-south highway in Central Madison County. It runs from Oneida/Madison County Line, near South Bay, to the Cortland/Madison County, near De Ruyter. NY St Rt 13 passes through the following towns in Madison County. South Bay Canastota Sullivan Chittenango Chittenango Falls Cazenovia New Woodstock Sheds De Ruyter NY St rt 13 is multi-plexed in Madison County. New York State Route 5, from near Canastota to Chittenango. U.S. Rt. 20, near Cazenovia. New York State Route 80, near New Woodstock to Sheds. NY St Rt 13 intersects the following highways in Madison County. New York State Route 31, at South Bay. Interstate 90, (New York State Thruway) near Canastota. New York State Route 5, near Canastota. New York State Route 5, at Chittenango. U.S. Rt. 20, at Cazenovia. U.S. Rt. 20, near Cazenovia. New York State Route 80, at New Woodstock. New York State Route 80, Sheds.