Works of Sao Paulo Metro Line 4 Phase 2 completed, Brazil July 21, 2021 | Latin America News A consortium of Spain-based COMSA Corporación and Brazil-based Tiisa Infraestrutura e Investimentos has concluded the works of Phase 2 of Line 4 of Sao Paulo Metro. The scope of work included c... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password