Union Turnpike local buses

The Q45, Q46, and Q48 bus routes constitute a public transit line in Queens, New York City, running primarily along Union Turnpike. Their western terminus is a major transfer with the New York City Subway's IND Queens Boulevard Line at the Kew Gardens–Union Turnpike station. The Q45 is a local route, making all stops on Union Turnpike between Queens Boulevard and 188th Street, before turning north at 188th Street and terminating in Fresh Meadows, Queens. The Q46 and Q48 are rush routes, making limited stops on Union Turnpike between Queens Boulevard and 188th Street, and local stops elsewhere. At their eastern ends, the Q48 travels to the Glen Oaks neighborhood of Queens, while the Q46 continues to Long Island Jewish Hospital (LIJ) in the village of Lake Success in Nassau County.

Originally a single bus route named the Q44A, the route was originally operated by the North Shore Bus Company from December 4, 1939, to 1947 when the company's routes were taken over by the New York City Board of Transportation. In 1974, the route was extended into Nassau County at Lakeville Road to serve LIJ Hospital. In 1977, limited-stop service on the route commenced, speeding up travel times for passengers in Eastern Queens. On April 12, 1990, the bus route was renumbered to Q46. It was extended from Lakeville Road to LIJ Hospital on September 7, 1997. Overnight and weekend service to Glen Oaks was eliminated in September 2002. On June 29, 2025, local service was spun off into the new Q45, and Glen Oaks service was spun off into the new Q48.