This past weekend, a train derailment in the tunnel connecting Madrid's Atocha and Chamartín stations caused significant disruption, affecting over 20,000 travelers.

The incident, which occurred on Saturday, led to the suspension of numerous high-speed and intercity services, leaving many passengers stranded or facing long delays.

The tunnel, a critical link in Spain's rail network, was blocked, highlighting the vulnerability of the system with only two tracks available.

Emergency measures were implemented, including using alternative routes, but these were short-lived due to further complications.

Investigations are underway to determine the cause, with initial reports suggesting a possible chain of errors and excessive speed.

The incident has sparked discussions on the need for infrastructure improvements and better crisis management in Spain's rail services.