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
S28 (Rhine-Ruhr S-Bahn) S28 (Rhine-Ruhr S-Bahn) Line S28 is a S-Bahn line in the Rhein-Ruhr S-Bahn network. It is operated by Regiobahn GmbH, a partnership between the districts of Mettman, Düsseldorf, and Rhein-Kreis Neuss, through which the line runs. The line begins in Mettmann Stadtwald, it runs through Düsseldorf Hauptbahnhof branching off to Kaarst after passing through Neuss Hauptbahnhof. Its western terminus is Kaarster See. The line is operated by Regiobahn GmbH, using Talent DMUs at 20 minute intervals. The state of North Rhine-Westphalia and the districts have been in talks to extend the line east to Wuppertal and west to either Viersen,