 In addition, it connects in Düsseldorf, Duisburg, Oberhausen, Dortmund and Hamm with long-distance services.The "Rhein-Emscher-Express" has been operating since the introduction of the integrated regular interval timetable in North Rhine-Westphalia (called "NRW-Takt") in 1998.It first ran from Mönchengladbach via Krefeld, Duisburg, Gelsenkirchen and Dortmund to Hamm.