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How did the Spain train crash happen and what will investigators be asking?

By · Via The Guardian · Published by Everything Blog

In short

Both passenger services had previously halted due to a signaling malfunction before the trailing Renfe train struck the rear of the stationary Iryo train. The impact destroyed multiple carriages and derailed several others along the heavily traveled corridor. Government officials are focusing inquiries on the controller's order and the breakdown of automated distance protections. This incident follows a January derailment and head-on collision along the very same line at Adamuz.

Key points

  • Transport Minister Óscar Puente described the controller's instruction to proceed at norm…: Transport Minister Óscar Puente described the controller's instruction to proceed at normal speed as an inexplicable decision.
  • Spanish train drivers were already organizing a strike regarding rail underinvestment tha…: Spanish train drivers were already organizing a strike regarding rail underinvestment that unions directly associate with safety hazards.
  • Investigators are working to determine the cause of the initial signal outage and why aut…: Investigators are working to determine the cause of the initial signal outage and why automated failsafes failed to prevent the collision.

Sources checked by our analysis pipeline: 1

At least 69 people died when a high-speed train from Madrid to Seville hit another train on the same track from behind near Toledo on Wednesday morning.

Both trains had been brought to a halt earlier when the signalling system failed. The driver of the state-owned Spanish train, a Renfe AVE service, was told by controllers to restart the journey, but crashed into the train in front, run by the private operator Iryo. The front carriages of the AVE train and rear of the Iryo train were destroyed and others derailed.

How could this happen? The nature of this disaster, as well as its horrific human toll, seems particularly shocking. There are multiple safeguards on high-speed lines, including different types of automatic train operation, which should ensure trains are never able to come close on the same track.

The audio released to Spanish media by the government appears to point the finger at the control centre, with a controller in Madrid telling the driver of the halted AVE train to proceed “con marcha normale” – under normal operations – rather…

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