ERSI Group supplied, manufactured and assembled industrial corrugated steel reinforcements and couplers for the first stretch of the interurban train that will join Toluca with Mexico City.

The first stretch has a double track and is designed for a maximum speed of 160 km/h and almost all of it -32 km of the 36.15 km in total length will be built in the viaduct. With four elevated stations with a length of 200 m. Next to the stretch, the project will be completed with another two additional stretches: the two-tube tunnel of La Marquesa, 4.6 km long, and the final stretch arriving in Mexico City, La Marquesa-Estación de Observatorio, 17.3 km in length.