New York State Route 28 is a north-south highway in Eastern Delaware County. It runs from the Ulster/Delaware County Line, near Shandaken, to the Delaware/Otsego County Line, near Oneonta. NY St Rt 28 passes through the following towns in Delaware County. Margaretville Delhi Franklin NY St Rt 28 is multi-plexed in Delaware County. New York State Route 30, at Margaretville. New York State Route 10, Delhi. NY St Rt 28 intersects the following highways in Delaware County. New York State Route 30, at Margaretville. New York State Route 30, at Margaretville.