New York State Route 63 (NY 63) is a state highway in the western part of New York in the United States. It extends for 82.11 miles (132.14 km) in a generally southeast–northwest direction from an intersection with NY 15 and NY 21 in the village of Wayland in Steuben County to a junction with NY 18 in the town of Yates in Orleans County, 2 miles (3.2 km) south of the Lake Ontario shoreline. The route passes through the city of Batavia and enters or comes near several villages, including Dansville and Medina.

New York State Route 15 (NY 15) is a north–south state highway located in western New York in the United States. The southern terminus of the route is officially at Interstate 390 (I-390) exit 3 south of the village of Wayland, although some signage indicating that NY 15 continues south to the northern terminus of U.S. Route 15 (US 15) in Painted Post still exists. The northern terminus of NY 15 is at an intersection with NY 31 in downtown Rochester. Outside of Monroe County, NY 15 is a rural two-lane highway. In the Rochester suburbs of Henrietta and Brighton, however, NY 15 is a major commercial strip, and the section in Rochester is a two-to-four lane street that serves commercial and residential areas.