The Wuppertal Schwebebahn is a suspension railway in the city of Wuppertal, Germany was built between 1897 and 1903, and still moves more than 25 Mil. Passengers annually. Its full name is “Electric Elevated Railway Installation, Eugen Langen System“. It is the oldest electric elevated railway with hanging cars in the world. The system is unique. The cars are suspended from a single rail built underneath a supporting steel frame. They hang on wheels which are driven by an electric motor operating at 600 volts DC, fed from an extra rail. The railway runs above the river Wupper between Oberbarmen and Sonnborner Straße.At one point the railway crosses the A46 motorway. The entire trip takes about 30 minutes.