Tenders launched for civil works on Line H of the Buenos Aires Subte August 24, 2010 | Latin America News Subterráneos de Buenos Aires SE, operator of the Subte metro network of Buenos Aires in Argentina, has floated tenders for civil works on sections A0 (Nueva Pompeya), A1 (Sáenz Peñ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password