The total cost of the Buenos Aires—Rosario—Córdoba line was calculated at US$ 4 billion. Four European firms presented themselves as bidders: Alstom (French), Siemens (German), CAF (Spanish) and Impregilo (Italian).
The construction of the Buenos Aires-Rosario-Córdoba rail line cost US$ 4 billion, with four European firms vying for the contract: Alstom (France), Siemens (Germany), CAF (Spain), and Impregilo (Italy).