Siemens to provide charging infrastructure for Hamburger Hochbahn, Germany December 15, 2020 | Europe News Siemens Smart Infrastructure (Siemens) has secured a contract from Hamburger Hochbahn AG, the public transport authority in Hamburg, to equip two of the six carports at the Alsterdorf bus depot with 9... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password