Passenger services commence on Karlsruhe Tram Line 2 extension, Germany November 30, 2020 | Europe News Passenger services have commenced on the Karlsruhe tram line 2 extension spanning 1.6 km from Siemensallee to Knielingen Nord, covering four stops. Of the total EUR14 million cost of the project, EUR6... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password