From Incidents to Proactive Actions: A Bottom-up Approach to Identification of Safety Critical Functions

  • Ranveig Kviseth Tinmannsvik
  • Ragnar Rosness
Conference paper


The paper presents a bottom-up approach to identification and follow-up of a set of safety critical functions in railway traffic control. A’ safety critical function’ (SCF) is a function/ task that will increase the personnel risk if it fails. We applied the approach using investigated incidents as a starting point. The work was accomplished in collaboration with an analysis group representing different positions and a diversity of local operating conditions in railway traffic control. The approach may complement a top-down approach using risk analysis as a basis for risk control.


High Risk Level Block Section Operative Personnel Line Work Proactive Action 
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Copyright information

© Springer-Verlag London 2004

Authors and Affiliations

  • Ranveig Kviseth Tinmannsvik
    • 1
  • Ragnar Rosness
    • 2
  1. 1.Norwegian University of Science and Technology (NTNU)TrondheimNorway
  2. 2.SINTEF Industrial ManagementTrondheimNorway

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