JV of Hochtief and Züblin wins Copenhagen metro’s City Circle Line contract June 12, 2014 | Europe Company News The joint venture (JV) of Hochtief Infrastrucure Nordic branch and Züblin A/S has secured the EUR150-million contract for the City Circle Line of the Copenhagen metro from public transportation c... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password