Sterling Street is a station on the IRT Nostrand Avenue Line of the New York City Subway. Located in Prospect Lefferts Gardens, Brooklyn at the intersection of Sterling Street and Nostrand Avenue, it is served by the 2 train weekdays and the 5 train all times except evenings and late nights on weekdays.HistoryThe Dual Contracts, which were signed on March 19, 1913, were contracts for the construction and/or rehabilitation and operation of rapid transit lines in the City of New York.The Dual Contracts promised the construction of several lines in Brooklyn. As part of Contract 4, the IRT agreed to build a subway line along Nostrand Avenue in Brooklyn. The construction of the subway along Nostrand Avenue spurred real estate development in the surrounding areas. The Nostrand Avenue Line opened on August 23, 1920, and the Sterling Street station opened along with it.The platforms at Sterling Street were lengthened during the 1950s to 510 feet so that the platforms could accommodate 10-car trains.Station layoutThe underground station has two tracks and two side platforms. The platforms have original 1920s Dual Contracts era tiling. The name tablets have "STERLING ST." in white letters on a brown background with a blue and brown border. The tile's trim line consists of light brown coloring with a border composed of a mix of dark blue and brown coloring. An intermediate line of green runs between these two borders.