The Belgrano Sur Viaduct is part of a set of three railway projects in Buenos Aires. The first was inaugurated in May 2019, with an extension of 3.9 kilometers from Dorrego to Congreso.
The San Martín station, with a length of 5 km, extends from the Palermo station to the Paternal station. It is expected that once completed, the viaduct will benefit approximately 65,000 daily passengers. The project has approved international financing and was awarded to the contracting company Dycasa.