CRRC ZELC to supply LRVs for Istanbul Metro Airport Line, Turkey November 20, 2018 | Europe News The Istanbul Municipal Government has signed a USD500-million contract with CRRC ZELC in October 2018 to procure articulated driverless light rail vehicles (LRVs) for the Istanbul Metro Airport Line. ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password