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Research Report 595 Best practice international solutions for mitigating human factor causes of signal passed at danger

Published: | Category: Research & reports , Research programme | Audience: General

This report describes the development and application of a tool to establish a framework for rail participants to explore their current strengths and weaknesses for SPAD risk reduction and to provide the New Zealand Transport Agency with an overview of the rail industry as a whole. The project was commissioned by the New Zealand Transport Agency and undertaken in November 2014 to August 2015 by Interfleet, with input from rail organisations and network access providers, identified as Participant 1, Participant 2 and Participant 3.

The tool is based on concepts derived from the ‘Swiss cheese model’ of accident causation. It comprises:

  • a user guide which provides advice on the self-assessment process
  • a Microsoft Excel spreadsheet which provides a tool with 16 dimensions of factors that impact on SPAD risk covering organisational factors, work processes and practices, work environment and workplace and individual factors.

The tool demonstrated that significant value can be gained by shifting organisational and regulatory focus from simple lag indicator assessment to clearly identifiable improvement opportunities as an indicator of safety system capability and reliability.

Keywords: change management, driver error, human error, human factors, resilience, risk reduction, signal passed at danger (SPAD), SPAD intervention, systems approach

Publication details

  • Author:
  • Published: August 2016
  • Reference: 595
  • ISBN/ISSN: 978-0-478-44569-5
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