Bergen Street is a station on the IRT Eastern Parkway Line of the New York City Subway, located at Bergen Street and Flatbush Avenue in Brooklyn. It is a local station with two side platforms; the express tracks are between the local tracks but slant upward to an upper level, and between those are the tracks of the BMT Brighton Line, which rise up from a lower level; the BMT tracks were built at the same time as the IRT tracks as part of the Dual Contracts. The station has standard IRT large and small mosaics and no crossover or crossunder. A full curtain wall separates local from express tracks.