RAIB Bulletin Derailment at Clarborough tunnel, near Retford, Nottinghamshire, 27 April 2012

Description of the accident At approximately 11:55 hrs on Friday 27 April 2012, train 2R15, the 11:25 hrs service from Lincoln to Adwick, operated by Northern Rail, ran into a landslip (figure 1). This occurred as the train exited Clarborough tunnel, near Retford, Nottinghamshire on the Gainsborough to Sheffield...