Overview
- President Claudia Sheinbaum led the start from Palacio Nacional as federal and state leaders in Nuevo Laredo conducted the on‑site ceremony.
- The full corridor is about 396.34 km, with the Arroyo El Sauz–Nuevo Laredo front delivering 136.48 km of single passenger track alongside existing freight service.
- Planned infrastructure includes three passenger stations—Nuevo Laredo, Lampazos de Naranjo and Anáhuac—plus 52 rail bridges, 42 road crossings and 108 drainage works.
- Service targets call for 160–200 km/h operations, trips under two hours between Monterrey and Nuevo Laredo, roughly three and a half hours from Saltillo, and about 7.5 million passengers per year.
- Authorities forecast 10,922 direct and 32,766 indirect jobs for this phase, with early tasks focused on right‑of‑way clearing and earthworks, in a launch that coincided with Día del Ferrocarrilero.