EntityQ126404· pop 19· linked from 511 articlesFSign in to saveNew York City Subway serviceConnectionsJay Street – MetroTechEntityJ/Z (New York City Subway service)EntityIND 63rd Street LineEntityIND Queens Boulevard LineEntity21st Street–Queensbridge stationEntityNew York City Subway yardsEntityPort Authority Trans-HudsonEntity6Entity7EntityGEntityNew York City Transit AuthorityEntity34th Street – Herald SquareEntityRockaway Park ShuttleEntity57th Street stationEntityIND Culver LineEntity47th–50th Streets – Rockefeller CenterEntityLexington Avenue – 63rd StreetEntityCourt Square–23rd StreetEntityFourth Avenue / Ninth StreetEntityForest Hills – 71st AvenueEntityCategoriesIndependent Subway SystemNew York City Subway servicesRailway services introduced in 1940