MTT launches tender to modernize public transport in Greater Valparaíso, Chile July 1, 2025 | Latin America News, News The Ministry of Transport and Telecommunications (MTT) has officially launched a public tender to overhaul the bus system in Greater Valparaíso—covering Valparaíso, Viña del Mar, Concón, Quilpué, and ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password