Mülheim (Ruhr) West station 1974, it was renamed to its current name. It is served by Rhine-Ruhr S-Bahn line S 3 every 20 minutes and tram line 112 (every 10 minutes) and bus line 128 (every 20 minutes) operated by "Mülheimer VerkehrsGesellschaft". The former tram line 110 was replaced by bus 128 on 4 October 2015. Mülheim (Ruhr) West station Mülheim (Ruhr) West station is located in the German city of Mülheim in the German state of North Rhine-Westphalia. It is on the Witten/Dortmund–Oberhausen/Duisburg line and is classified by Deutsche Bahn as a category 5 station. The station was opened 1 March 1862 by
S4 (Rhine-Ruhr S-Bahn) S4 (Rhine-Ruhr S-Bahn) Line S 4 is an S-Bahn of the Rhine-Ruhr S-Bahn, running from to the Dortmund suburb of Dortmund-Lütgendortmund. It is operated by DB Regio on behalf of Verkehrsverbund Rhein-Ruhr. It is operated at 20-minute intervals using class 422 four-car electrical multiple units. Line S 4 runs over several lines: S-Bahn services commenced between old Lütgendortmund station and Unna station on 3 June 1984. The section from Germania to old Lütgendortmund station was closed on 31 August 1987 and operations on the new line to Lütgendortmund commenced on 23 May 1993. Extension of the S 4 line from