Derailment at River Wharfe bridge Ulleskelf, Eastern Region 8 Dec 81. The R & D division investigation (TM-T-012)

The R & D Division were asked by the Chief Civil Engineer of the Eastern Region to assist in investigating the cause of the Ulleskelf derailment. Pieces of rail associated with two rail fractures were subsequently received at the Railway Technical Centre for examination. One of the fractures was near...