What we know so far: 1. The last 3 cars from the Iryo train (Frecciarossa 1000) derailed for unknown reasons. It's a straight line, so this is extremely rare. 2. The Renfe train (Alvia) didn't have time to break and hit the derailed trains from Iryo, the two first cars derail as a consequence of the impact. 3. The Iryo train(Frecciarossa 1000), that caused the accident, was manufactured in 2022 and it passed a techni…
You left out that the machinists warned about the bad state of the railway tracks and asked for reducing the train speed[1]. There is underfunding in all the railway network. [1]: https://www.eldebate.com/economia/20250809/maquinistas-piden...
The biggest part then might be that they should have listened to the operators warnings and scheduled a proper re-inspection of the route once they started warning of issues.