The work was part of the General Belgrano Railway Recovery and Improvement Project, its objective was to improve the conditions of the infrastructure, the rolling stock and all the Facilities within the sector included.

The work was carried out in the province of Santa Fe, on the CC Branch of the General Belgrano Railway between Km 444+000 and Km 497+600, including the Traill, Kilometer 65, Sastre and Esmeralda stations in the route.

The track in said sector is made up of a long straight line, with rail sectors of 49.61Kg/m and rail sectors of 42.16Kg/m in bars with a length close to 36m in most cases. Ballast stone of variable granulometry and very clogged. Rigid fixings such as lag screws and hook nails and in very small or specific sectors with semi-elastic fixings such as semi-elastic nails and Gauge Lock fixings with lag screws.