the current northern terminal for the 3. Livonia Yard The Livonia Yard is located at 900 Hegeman Avenue in East New York, Brooklyn on an entirely elevated structure at the east end of the IRT New Lots Line. Located between Elton and Linwood Streets, the yard extends from Hegeman Avenue south to Stanley Avenue, passing over Linden Boulevard. One of the smallest maintenance yards in the system, it is where the R62s on the and the R62As on the 42nd Street shuttle are inspected and maintained. The yard, built in 1922 and opened in 1923, Livonia Yard is the only IRT yard in Brooklyn. Livonia Yard consists of 4 inspection tracks inside the Livonia shop and 15 layup tracks. A signal tower is located at the northwest corner of the yard. Many trains are stored in the Lenox Yard in Upper Manhattan, as Livonia is not very large. Livonia, along with 240th Street Yard, are on entirely elevated structures and are in need of rehabilitation due to not meeting the configuration standards for "current industry practices". An extension of the New Lots Line has been proposed up to the end of the yard, or through the yard right-of-way to Flatlands Avenue, to serve the developing Spring Creek area. Additionally, a large amount of space within Livonia is used for the storage of some R142s and R142As for the , and trains. Unionport Yard Unionport Yard is associated with the nearby East 180th Street Yard, and is used primarily as a lay-up facility for and trains. It is named after Unionport Road, which lies just east of the yard. There are no shop or wash facilities at this yard, which was expanded in the 1990s from five tracks to its present 19. All but one track ends at bumper blocks. The newly expanded yard became fully operational in 1997. The yard connects to the IRT White Plains Road Line to the south and the IRT Dyre Avenue Line to the north. West Farms Yard The West Farms Yard was an elevated rail yard that was located adjacently to the West Farms Square–East Tremont Avenue station, at the time called 177th Street. It had eight storage tracks and five inspection barn tracks. It was demolished in 1950; the redundant 180th Street–Bronx Park station was closed down and demolished two years later. In addition to serving Manhattan Elevated Railway cars, it also used