Based on the sequence of events which led to the deaths of two young trackmen, concluding with an enquiry into the reasons why they were killed. Intended for railway staff responsible for track maintenance, particularly those in supervisory grades.
| Directing | Ronald Dunkley | Director |
| Production | John W. Shepherd | Executive Producer |
| Production | Lionel Cole | Producer |
| Camera | Maurice Picot | Director of Photography |
| Editing | Richard Best | Editor |
| Sound | Aubrey Lewis | Sound |