Private concession approved for Porto Alegre Airport–Gramado railway project in Rio Grande do Sul, Brazil April 9, 2026 | Latin America News, News The government of Rio Grande do Sul has approved a R$4.5 billion (~USD855 million) privately financed railway project linking Salgado Filho International Airport in Porto Alegre to the tourist destina... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password