Spain’s high-speed train network is plagued by old signalling systems. They may have caused the deadly crash

By Carlos Gutiérrez Hita, Profesor titular de Universidad. Economía industrial (transporte, energía, telecomunicaciones), Universidad Miguel Hernández

Shortly after 8am, two high-speed trains set off from Madrid’s Atocha station bound for Seville Santa Justa, but neither reached their destination. A failure in the LZB system – an automatic safety, signalling and protection system that monitors trains’ movement and activates automatic emergency braking – triggered a chain of events that led to a fatal accident, which killed 69 people and left many more injured.

Across the EU’s rail network, which spans almost 227,000km, there are more than 25 different, non-interoperable…

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