Buenos Aires Subway Line H deploys Alstom railcars July 6, 2016 | Latin America News Subterráneos de Buenos Aires SE (SBASE) has deployed an initial batch of 36 new railcars supplied by Alstom for Buenos Aires Subway Line H. The metro cars feature air conditioning (AC), new ventilatio... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password