Mülheim (Ruhr) Hauptbahnhof Mülheim (Ruhr) Hauptbahnhof Mülheim (Ruhr) Hauptbahnhof is a railway station for the city of Mülheim in the German state of North Rhine-Westphalia. It was renamed as a Hauptbahnhof in 1974 at the time of the rebuilding of the Dortmund–Duisburg line as part of the establishment of the Rhine-Ruhr S-Bahn. It is classified by Deutsche Bahn as a category 3 station. The original station is unusual in that it was built as two adjoining stations by the two main private railways buildings lines in the Ruhr area, the Rhenish Railway Company ("Rheinische Eisenbahn-Gesellschaft", "RhE") and the Bergisch-Märkische Railway Company ("Bergisch-Märkische Eisenbahn
S7 (Rhine-Ruhr S-Bahn) S7 (Rhine-Ruhr S-Bahn) Line S 7 is an S-Bahn line on the Rhine-Ruhr network in the German state of North Rhine-Westphalia, which has been operated by Abellio from Wuppertal Hauptbahnhof to Solingen Hauptbahnhof since 15 December 2013. It is operated at 20 minute intervals, using LINT 41 vehicles. The service was previously classified as Regionalbahn service RB 47, known as the "Der Müngstener", a reference to the Müngsten Bridge, which it crosses and DB Regio had operated it on the same route with class 628 diesel multiple units since 1994. It was also operated at 20-minute intervals, in the evenings