Observations of derailment of 6k20, 13.59 hrs. Eastgate to Heaton at Witton-le-wear on 4.4.73 (TM-FT-018)

The above train, consisting of 35 loaded Presflos, became catastrophically derailed whilst negotiating a slight left hand curve at a point approximately 360 yards east of McNeills Crossing on single line track between Wolsingham and Bishop Auckland. The leading 29 vehicles in the train derailed, the majority of these derailing...