Caledonian Sleeper runaway: RAIB to scrutinise brake system

How the train was driven, the suitability of relevant procedures and working practices, and the design and approval of the brake system fitted to the Mk 5 coaches are some of the factors that Rail Accident Investigation Branch will look into, following the Caledonian Sleeper runaway at Edinburgh Waverley on August 1 (RAIL 885).

RAIB will also investigate any relevant underlying management or organisational factors, how the isolating valve came to be closed at Carstairs, and the preparation of the train at Carstairs - including the coupling of the Class 92 to the Mk 5s and testing of the train’s brakes.

The incident happened at 0726, when the Edinburgh portion of the 2336 London Euston-Edinburgh Waverley/Glasgow Central failed to stop at the Scottish capital’s main station. The train was brought to a stand approximately 650 metres beyond its intended stopping point.

There was no damage and no injuries were sustained, but RAIB stated: “The outcome could potentially have been much worse, had it led to a collision with another train.”

  • For the FULL story, read RAIL 885, published on August 14, and available digitally on Android, iPad and Kindle now.

  • For the FULL story regarding RAIB's announcement, read RAIL 886, published on August 28, and available digitally on Android, iPad and Kindle from August 24.


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  • Sam Green - 16/08/2019 11:14

    I would say someone failed to carry out a brake test!! If they had they would have noticed the air cock was closed!

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    • Advocate - 17/02/2020 01:59

      Not necessarily so, if the brake test was carried out correctly then an event took place immediately afterwards which lead to the brake cock between the locomotive and the leading coach being closed which resulted in the train pipe being trapped at 5 bar pressure this would result in the same outcome.

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