No fault was found Know with the train , and the inquiry by the Department of the Environment concluded Coming_to_believe that the accident was caused by the actions of Leslie Newson , the 56-year-old driver .

It took a further four days to extract the last body , that of Newson ; his cab , normally deep , had been crushed to .

The post-mortem on Newson showed Presence no medical reason to explain the crash .

Tests showed Presence that Newson had a blood alcohol level of 80 mg/100 ml—the level at which one can be prosecuted Legality for drink-driving , though the alcohol may have been produced by the natural decomposition process over four days at a high temperature .