Stadler to replace rolling stock on Line S7 of Bern S-Bahn May 9, 2016 | Europe News Regionalverkehr Bern-Solothurn (RBS), the public transport operator of Bern, Switzerland, has awarded a USD144.3-million contract to Germany-based Stadler for supplying 14 four-car electric multiple u... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password