Derailment of locomotive 45126 on 312 points at Glasgow Central on 12th January 1980 (TM-FT-97)

7.1 This derailment is considered to have occurred due to the combination of two main factors:- (a) High values of µ, the coefficient of friction, acting at the right hand rail gauge face and the left hand rail table. (b) Depression of the right hand facing switch blade...