TDRR secures S7 operating contract in Germany December 1, 2022 | Company News, Europe Company News, Europe News, News Transdev Rhein-Ruhr (TDRR) has secured a contract for the operation of the S-Bahn Line 7 Wuppertal – Remscheid – Solingen in the Rhine-Ruhr Transportation Network (VRR) in Germany. Transdev’s German ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password