Metro S.A. to launch tender for Metro de Santiago Lines 8 and 9 engineering study, Chile March 21, 2022 | Latin America News, News Empresa de Transporte de Pasajeros (Metro S.A.) has announced plans to invite bids to conduct a conceptual engineering study for the planned Metro de Santiago Lines 8 and 9. The bidding documents will... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password