The project consists of the construction of a 358.11 km railway to provide passenger transportation service, with the following characteristics:

- Where possible, existing right-of-way is used for dedicated passenger routes in Saltillo, continues through Arteaga, Santa Catarina, Monterrey, San Nicolás de los Garza, Salinas Victoria, Villaldama, Lampazos de Naranjo, Anáhuac and Nuevo Laredo.
- Intermodal connection, connection to mass transit systems in the metropolitan areas of Saltillo and Monterrey, as well as connectivity with Nuevo Laredo.
- Diesel-electric rolling stock.
- Section of double or single track (with extended sides) without electrification.
- Typology of viaducts and embankments to overcome existing infrastructure obstacles, complex orography, crossings with ravines and mountainous areas (resolved with bridges, viaducts and tunnels).
- Design speed 177-200 km/hr.

Stations:
- Saltillo
- Monterrey Santa Catarina
- Monterrey Centro
- Monterrey Las Torres
- Nuevo Laredo

The number of stops and stations will be defined with a demand study.

*The information is preliminary and is subject to constant review and updating as the project progresses.
**Definition of stops and stations based on demand studies.