The Metro is located in Gelsenkirchen 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 1 September 1984, currently 9 Tube stations along 5,5 Km (3,4 miles), equivalent to a station each 611,1 meters (668,3 yards).
Click on the following maps Metro, to see larger images:
Download the map above in high definition and in PDF format: gelsenkirchen-metro-plan.