Commuters in the Buenos Aires Metropolitan Area (AMBA) faced a frustrating evening as the Belgrano Sur train line experienced major disruptions. According to an official announcement from Transporte AMBA on its Twitter account at 6:47 PM on Thursday, August 13, 2026, two of the line's most used branches are suffering from technical issues.
Current Status at a Glance
| Branch | Status | Traffic Light |
|---|---|---|
| Marinos | Delays and cancellations | Orange |
| Marcos Paz | Completely interrupted | Red |
Marinos Branch: Delays and Cancellations
The Marinos branch is operating with significant delays and cancellations due to technical problems. Authorities have set the service to orange alert, meaning trains are running but with restrictions. Passengers should expect longer waiting times and possible last-minute cancellations without prior notice.
Marcos Paz Branch: Total Suspension
The situation is more severe on the Marcos Paz branch, where service has been completely suspended due to technical failures. The red alert indicates a full stop until further notice. Commuters relying on this branch are forced to seek alternative transportation, significantly impacting their daily routines and travel times.
Understanding the Belgrano Sur Line
The Belgrano Sur railway is a vital commuter line in the AMBA, connecting Buenos Aires (Plaza Constitución station) with southern suburbs of the province of Buenos Aires, including Marinos, Marcos Paz, González Catán, Navarro, and 20 de Junio. It serves thousands of workers and students who travel to and from the capital every day.
What Passengers Should Do
Given the ongoing issues, officials recommend:
- Check service status before leaving home via official Transporte AMBA and Trenes Argentinos social media channels.
- Consider alternative transport options like buses or ride-sharing apps.
- Allow extra travel time if using the Marinos branch, as delays are expected.
As of now, no official estimate has been given for when services will return to normal, nor have the specific causes of the technical failures been disclosed. Authorities are expected to release a follow-up statement in the coming hours.
This incident adds to a series of recurring disruptions on the AMBA rail network, fueling commuter frustration and calls for improved infrastructure and maintenance investment.
Source: Transporte AMBA (official Twitter)