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
Guadalajara light rail system Guadalajara light rail system The Guadalajara light rail system (), which is operated by SITEUR (Sistema de Tren Eléctrico Urbano, Spanish for Urban Electrical Train System), is a light rail system serving the municipalities of Guadalajara, Zapopan and Tlaquepaque, in the state of Jalisco, Mexico. It is owned by the state of Jalisco, and operator SITEUR is a state authority. Opened in 1989, the system currently has two lines: Line 1, running from north to south, with 19 stations, and Line 2, running from the city centre to the east, with 10 stations. The history of urban trains in Guadalajara