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[INTERNATIONAL] · Spain · 9 sources

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Part of situation: Spanish railway safety and management scrutiny (3 clusters)

Urda train collision: Technical failures documented before fatal crash

Urda train accident Adif LZB safety system Spanish high-speed rail railway safety failures

Internal records from Adif, Spain's railway infrastructure manager, reveal a series of simultaneous technical failures occurred shortly before the train collision in Urda, Toledo, which resulted in 69 deaths. The incidents took place on the high-speed Madrid-Sevilla line between the Mora, Orgaz, and Urda stations.

According to internal logs, the failures began around 8:30, approximately 23 minutes before the collision between a Renfe AVE and an Iryo train. The documented issues include a failure in the LZB safety system central in Urda, which is responsible for supervising train speeds and automatic braking. This was accompanied by failures in GSM-R communications used by drivers and control centers, intermittent data transmission losses in track circuits, and electrical power interruptions on both tracks near the Urda station.

While the records confirm these technical malfunctions, they do not assign responsibility or definitive causes. The collision occurred during a period when the LZB system, which provides critical protection, was not functioning normally.

Entities

Adif · Iryo · Oscar Puente · Renfe · Spain · Toledo · Urda

Claims

What the coverage asserts, and how many sources carry each claim.

Sources

Accidente en Urda: las cinco incógnitas sin resolver tras un choque mortal y evitable [www.eldiario.es]
En el corazón del 'factor humano' en crisis por Urda: "En un sistema degradado, somos la última protección" [www.elmundo.es]
Un registro de Adif revela cuatro fallos técnicos antes del accidente ferroviario en Urda [www.elmercuriodigital.net]
Se cae el relato del "error humano": Adif confirma cuatro fallos en el sistema [www.esdiario.com]
Revelan una cadena de fallas técnicas antes del accidente ferroviario que dejó 69 muertos en España [mendozatoday.com.ar]
El parte de Adif revela fallos técnicos simultáneos antes del accidente de trenes de Urda [www.moncloa.com]
Análisis profundo: ¿Por qué chocan los trenes en España? [www.negocios.com]
Alberto García Reyes: Error humano, política inhumana [www.abc.es]
Un sistema desquiciat [www.diaridegirona.cat]