High Quality Content by WIKIPEDIA articles New York State Route 129 (NY 129) is a 7.75-mile (12.47 km) long state highway in the western part of Westchester County, New York. The route begins at NY 9A (South Riverside Avenue) in the village of Croton on Hudson. NY 129 then travels through the towns of Cortlandt and Yorktown, running along the northern edge of the New Croton Reservoir. It passes under (southbound) and over (northbound) the Taconic...