Line S 7 is an S-Bahn line on the Rhine-Ruhr network in the German state of North Rhine-Westphalia, which has been operated by Abellio from Wuppertal Hauptbahnhof to Solingen Hauptbahnhof since 15 December 2013. It is operated at 20-minute intervals, using LINT 41 vehicles. The service was previously classified as Regionalbahn service RB 47, known as the Der Müngstener, a reference to the Müngsten Bridge, which it crosses and DB Regio had operated it on the same route with class 628 diesel multiple units since 1994. It was also operated at 20-minute intervals, in the evenings and on weekends, every 30 minutes.