ATM exercises option for 15 additional metro trains from Hitachi Rail Italy April 6, 2016 | Europe News Azienda Trasporti Municipalizzata (ATM), the operator of Milan metro, has exercised an option to procure 15 additional Leonardo metro trains from Hitachi Rail Italy (erstwhile AnsaldoBreda S.p.A) for ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password