Overview
- Trenes Argentinos suspended all electric Roca Line services on July 9 across Constitución–La Plata, Constitución–Bosques via Quilmes and Temperley, Constitución–Alejandro Korn, Constitución–Ezeiza and Bosques–Gutiérrez branches.
- Crews installed axle-temperature sensors at Gerli station to detect mechanical faults before they escalate.
- A new pedestrian bridge was assembled at Temperley station to improve passenger access and station infrastructure.
- Track renewals took place at Ranelagh on the Bosques–Quilmes branch and at Tolosa on the La Plata branch to replace aging rails.
- Diesel-operated routes such as Temperley–Haedo and Plaza Constitución–Mar del Plata ran normally and all services are scheduled to return to standard frequencies on July 10.