Federal funding approved for Hamburg S-Bahn S4 line extension, Germany December 5, 2019 | Europe Finance The federal government of Germany has approved funding of EUR1.56 billion for the construction of the Hamburg S-Bahn S4 line extension to Bad Oldesloe in the Schleswig-Holstein region. The 36-km-long ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password