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
S7 (Rhine-Ruhr S-Bahn) and on weekends, every 30 minutes. Line S 7 runs over lines built by two railway companies: There was an earlier line S 7 operated by DB Regio, which began at Düsseldorf Airport Terminal station. From there it ran south to Solingen Hbf via Düsseldorf Hbf. With the change to the 2010 timetable on 13 December 2009, line S1 replaced the service between Düsseldorf Hbf and Solingen. The S11 was extended to run to Düsseldorf Airport Terminal station. 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