History of the Ruhr and steel industries have declined drastically History of the Ruhr The actual boundaries of the Ruhr vary slightly depending on the source, but a good working definition is to define the Lippe and Ruhr as its northern and southern boundaries respectively, the Rhine as its western boundary, and the town of Hamm as the eastern limit. In the Middle Ages, local power was vested primarily in the counts ("Grafen") of Berg, Mark and Cleves. The left bank of the Rhine was held by the Archbishop of Cologne. The Hellweg was an important trade route crossing the region from Duisburg to
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,