High Quality Content by WIKIPEDIA articles! New York State Route 25B (NY 25B) is a 7.25 mile (11.67 km) long east–west state highway located on Long Island in the U.S. state of New York. The western terminus of the route is at NY 25 in Queens. The eastern terminus is at an interchange with NY 25 in Westbury. The roadway is named Hillside Avenue for its entire length, except for a brief portion in East Williston, where it is called East Williston Avenue.