R68s, R68As, serving the , , , , and Franklin Avenue Shuttle. R68s on the , and R160s on the and routes, are stored at the yard but are not maintained or inspected here. The shop facility, along with the 207th Street Shops, performs inspections, heavy maintenance and overhaul for every one of the approximately 6,000 cars in the subway system, including the Staten Island Railway, and also contains car washing and painting facilities. In addition to heavy maintenance facilities and track facilities for cars undergoing maintenance and overhaul, the complex includes three related railroad storage yards. The main yard facility, known as Coney Island Yard, includes direct connections to the adjacent BMT Sea Beach Line () and a two-track elevated structure to the BMT West End Line (). The main yard also serves trains on the BMT Brighton Line () via tracks C & D (also known as 3 & 4, respectively) of Coney Island–Stillwell Avenue station. The adjacent but separate Culver Yard (also called City Yard or Avenue X Yard) connects to the IND Culver Line () at the eastern border of the yard complex, holding cars for the F service. Another yard, the Stillwell Yard, used mainly for off-peak train storage, is located across the Sea Beach Line from the main yard complex in a wye between the divergent Sea Beach and West End Lines. In addition to the maintenance shop and yards, there is a Health Center (gym) and medical center for Transit Authority employees, a firing range for the New York City Police Department (NYPD)'s Transit Division, and a firefighting training school. The range was originally built for the New York City Transit Police Department, which was merged with the NYPD in 1995. The Coney Island Yard Electric Motor Repair Shop and Coney Island Yard Gatehouse were listed on the National Register of Historic Places in 2006. Gatehouse Coney Island Yard Gatehouse is a historic gatehouse located at the Coney Island Complex. It was built about 1929 and is a small masonry building with prominent clay tile roof with deep overhanging eaves. It was listed on the National Register of Historic Places in 2006. Electric Motor Repair Shop The Coney Island Yard Electric Motor Repair Shop is a historic motor repair shop for subway trains located at the Coney Island Complex. It was built between 1925 and 1927 and is a simple two-story, box-shaped brick-clad