Line S 68 is an S-Bahn line on the Rhine-Ruhr network. It is operated by DB Regio. It was established on 13 December 2009. It is a relief service operating during peak hours on weekdays between Wuppertal-Vohwinkel Hbf and Langenfeld via Düsseldorf Hbf. It is operated using class 143 locomotives hauling four x-Wagen carriages, and a double set of class 420.
Line S 68 runs: