STC launches multiple bids to modernize Mexico City Subway January 14, 2025 | Latin America News, News Sistema de Transporte Colectivo (STC) has launched multiple bids to modernize the Mexico City Subway. These bids include the modernization of Line 3 and renovation of Line 1 stations. These bids are p... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password