Derailment records of individual vehicle diagrams, and of groups of diagrams related to mileage, 1972-1976 (TM-FT-075)

1. INTRODUCTION 1.1 This report presents for reference purposes some of the extensive information held by this Division concerning plain-track derailments occurring during normal running of vehicles, and includes preliminary information on vehicle-mileage gained from TOPS. The numbers of derailments in each category of cause, speed and loading are...