DB Regio wins 22 more years on Frankfurt’s S-BahnOct 20, 2026ShareA redesigned ET430 at Frankfurt Hauptbahnhof. The first of these trains are due on four lines, S4 among them. Photo: Sven Moschitz, RMV.Subscribe for free to continue readingEnter your email and get every post from The Rail Agenda.SubscribePreviousNext