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Derailment of a freight train at Angerstein Junction, near Charlton, London

RAIB is investigating the derailment of a freight train at Angerstein Junction, near Charlton in south east London, at about 12:16 hrs on 2 April 2014. The train comprised 20 wagons, of the JRA and JGA types, hauled by a class 66 locomotive. It had just left sidings at Angerstein Wharf, where the wagons had been unloaded, and was travelling to Bardon Hill, Leicestershire. It then derailed, at a low speed, on a curved section of the single line track which links the sidings to the North Kent line at Angerstein Junction.

The RAIB’s preliminary examination revealed that the leading bogie of the 9th wagon had derailed shortly after passing over a set of trap points about 30 metres before the junction with the North Kent Line, and that these points had been correctly set to allow the passage of the train. Shortly after the derailment occurred the front of the train stopped at a signal on the North Kent line. The driver was still unaware of the derailment and he restarted his train from this signal when it cleared. The trailing bogies of the 8th and 9th wagons were then pulled off the track as the derailed bogie ran over part of a cross-over between the Up and Down North Kent lines. The train continued along the Down line and was then stopped, about 180 metres from the initial point of derailment, by an automatic brake application caused when the brake pipe broke between the 9th and 10th wagons.

Although routed onto the Down North Kent line, the derailed wagons stopped in a position where they were foul of the adjacent Up line. Fortunately, there was no train on this part of the Up line when the derailment occurred.

Image of incident location at Angerstein Junction
Image of derailed train at Angerstein Junction

In addition to damage to the derailed wagons, cabling and signal equipment, the derailment caused track damage. Train services on the North Kent line suffered disruption until 5 April.

RAIB’s investigation will seek to identify the sequence of events leading to the derailment and the factors that played a part. The investigation will include consideration of both track and wagon characteristics.

RAIB’s investigation is independent of any investigation by the Office of Rail Regulation.

RAIB will publish its findings, including any recommendations to improve safety, at the conclusion of its investigation.

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