Watch full movie online. British Steam Railway Disasters is the definitive DVD collection of newsreel reports covering no fewer than 55 incidents from the steam era between 1913 and 1967 Also included is a specially made 15 minute analysis of the greatest tragedy of all - the multiple crash at Harrow And Wealdstone in 1952 which features much rare footage including previously unseen film rushes. Throughout, British Steam Railway Disasters investigates the common causes of railway accidents with a view to the lessons learnt from :- Driver Error, Excessive Speed, Poor Visibility In Fog, Signals Passed At Danger, Signalling Errors, Road Vehicle Collisions, Equipment Failure, Rolling Stock Instability and Track Defects.