Rhine-Ruhr S-Bahn Rhine-Ruhr S-Bahn The Rhine-Ruhr S-Bahn () is a polycentric and electrically driven S-train network covering the Rhine-Ruhr Metropolitan Region in the German federal state of North Rhine-Westphalia. This includes most of the Ruhr (and cities such as Dortmund, Duisburg and Essen), the Berg cities of Wuppertal and Solingen and parts of the Rhineland (with cities such as Cologne and Düsseldorf). The easternmost city within the S-Bahn Rhine-Ruhr network is Unna, the westernmost city served is Mönchengladbach. The S-Bahn operates in the areas of the Verkehrsverbund Rhein-Ruhr (VRR) and Verkehrsverbund Rhein-Sieg (VRS) tariff associations, touching areas of Aachener Verkehrsverbund at Düren
S6 (Rhine-Ruhr S-Bahn) 1968 and from Garath to on 12 December 1968, from Langenfeld to Köln Hansaring on 2 June 1991 and from Hansaring to on 13 June 2004. S6 (Rhine-Ruhr S-Bahn) Line S 6 is a S-Bahn line in the Rhein-Ruhr network. It calls, among others, at the cities of Essen, Düsseldorf and Cologne and was one of the first S-Bahn lines in the Rhine-Ruhr network, becoming operational on 28 September 1967 between Ratingen Ost and Düsseldorf-Garath. It is operated at 20 minute intervals using coupled sets of class 422 four-car electrical multiple units. Line S 6 runs over lines built by