Yard than to any other rapid transit yard in the city. As a result, there is chronic overcrowding at the existing facility. The Metropolitan Transportation Authority plans to enlarge this yard due to this overcrowding; many trains are stored on the IND Queens Boulevard mainline express tracks east of 71st Avenue and the 179th Street station's relay yard during off-peak periods. This expansion will double the storage capacity of the facility. The expansion project has been planned since the 1982–1986 MTA Capital Program. The four yard leads will also be equipped with communications-based train control (CBTC) as part of the installation of CBTC on the Queens Boulevard Line. Pitkin Yard The Pitkin Yard is located in East New York, Brooklyn. It holds the Pitkin Shops, which maintain the R46s used on the , , and Rockaway Park Shuttle and the R179s used on the and Rockaway Park Shuttle. Track connections from the yard connect both railroad north to Euclid Avenue and railroad south past Grant Avenue on the IND Fulton Street Line. This allows trains to be added or removed from service in either direction. The site for Pitkin Yard was approved by the Board of Estimate on February 8, 1940 in order to serve the extension of the Fulton Street Line. The total cost for the acquiring the property for the yard was estimated to be $773,000 for 30 acres. The yard opened on November 28, 1948 along with the extension of the IND Fulton Street Line to Euclid Avenue. Previously an open-air yard, from 1972 to 1973 the Linden Plaza & Towers Apartment Complex, consisting of several 15-to-17-story apartment buildings, was constructed on a concrete deck on top of this yard. Rockaway Park Yard Rockaway Park Yard is located in Rockaway Park, Queens. It is an eight-track layup yard for the R46s and R179 on the A and the Rockaway Park Shuttle, although they are primarily maintained at the Pitkin Yard in Brooklyn. Seven tracks lie geographically north of the station platform, while another lies geographically south. This yard is adjacent to Rockaway Park–Beach 116th Street. Like the IND Rockaway Line itself, the Rockaway Yard was originally a yard for the Rockaway Beach Branch of the Long Island Rail Road. It included a water tower, and a roundhouse. Yards in both divisions 207th Street Yard The 207th Street Yard is located in Inwood in Upper Manhattan between Tenth