London Underground infrastructure Tube Programme, investigating replacing the trains for the Bakerloo and Piccadilly lines, is looking for trains with better energy conservation and regenerative braking. The Underground serves 270 stations. Fourteen Underground stations are outside Greater London, of which five (Amersham, Chalfont & Latimer, Chesham, and Chorleywood on the Metropolitan line and Epping on the Central line) are beyond the M25 London orbital motorway. The longest distance between two stations is between Chalfont & Latimer and Chesham on the Metropolitan line. The shortest distance between adjacent stations is the between Leicester Square and Covent Garden on the Piccadilly line. The station furthest
Line E (Buenos Aires Underground) using the two stations and their corresponding tunnels as the southern part of Line F since that line's projected trajectory in that area overlaps the former route Line E took. San José vieja was used as a set for the 1996 Argentine film Moebius and served as the fictional "Dock Sud" and "Parque" stations. Line E (Buenos Aires Underground) Line E of the Buenos Aires Underground, which runs from Bolivar to Plaza de los Virreyes, currently extending a total distance of 9.2 km, with a further extension to Retiro due to be completed in 2017. Opened in 1944, the Line