Spain's high-speed LZB system under scrutiny after train crash

TechnologyInternationalLa VanguardiaOct 28, 2026, 6:33 AM40 s readAI summary

The LZB safety system installed on Spain's Madrid-Andalusia high-speed line automatically stops trains when it detects another train or any object on the track ahead. If it fails, a backup system with the same safety standards is activated, and if that also fails, the usual protocol is to halt all traffic. Industry sources speaking anonymously, and the Government, point to human error: Adif's control centre allegedly authorised an AVE train to pass a red signal while the track circuit was occupied.

In 40 seconds

LZB automatically brakes the train if it detects another train or an obstacle on the track
The system is redundant: if LZB fails, a backup system with the same safety standards takes over
If both fail, the usual protocol is a full halt of rail traffic

Read the full story at La Vanguardia

IASummary generated by artificial intelligence from a story by La Vanguardia. It may contain errors: the original source prevails.

ferrocarril
seguridad
infraestructura
España
Adif

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Spain's high-speed LZB system under scrutiny after train crash

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