Because of this, the 10 incident factors were developed. They are geared towards identifying the broader, system-wide weaknesses that may contribute to an adverse event.

The 10 incident factors are now joined by a framework of human performance factors, as set out in the rail industry’s investigation standard, RIS-3119-TOM. The best way to see how these elements can help prevent accident recurrence is with a case study. In this short article, we present two: one from the freight sector and one from the passenger sector.

Case Study One: Freight

GB Railfreight (GBRf) has been inputting detailed cause information into SMIS for safety events since January 2019.