The Metro Duisburg (Duisburg in the German language) It is located in Germany. This is not really considered a meter, but rather as part of the railroad system of the country. It was opened to the public on 11 July 1992, currently 13 Tube stations along 14,3 Km (8,9 miles), ie, each station has a 1100 meters (1203 yards).

Click on the following maps Metro, to see larger images: