Overview
- Tigre services will be fully suspended from Saturday to Tuesday, 20–23 September, with operations scheduled to resume on Wednesday, 24 September.
- José León Suárez and Bartolomé Mitre branches will run only between their outer terminals and Belgrano R during the same period, without reaching Retiro.
- Works include full track renewal at Acassuso, third‑rail installation and signaling connection at Beccar, and fiber‑optic deployment with signaling migration between Tres de Febrero and Colegiales.
- Long‑distance trains between Buenos Aires and Rosario, Córdoba, and Tucumán will operate on their usual timetables throughout the works.
- These interventions fall under the Emergency Rail Action Plan targeting 40 km of new track, 47 km of third rail, upgrades to crossings and structures over roughly 24 months, with riders advised to check Trenes Argentinos’ website and app for updates.