An Independent Evaluation of the Switching Operations Fatality Analysis 2010 Working Group's Processes
SUBJECT: Signal and Train Control, Switching Operations
AUTHOR: Deborah Bonnet, Michael Coplen, Michael Quinn Patton, Joyce Ranney & Juna Snow
REPORT NUMBER: DOT/FRA/ORD-09/23
KEYWORDS: Evaluation, SOFA, Fatality, Rail
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The Switching Operations Fatality Analysis (SOFA) Working Group was formed to analyze the factors contributing to
fatalities in switching operations. The 2010 Working Group invited an independent team of evaluators to assess the
thoroughness of the SOFA methodology with the goal of promoting the utilization of SOFA findings. This report,
prepared by the evaluation team, describes the SOFA 2010 tools and processes and concludes that they are both
systematic and rigorous. The railroad industry is urged to give careful consideration to the findings of the SOFA
Working Group in the interest of improving rail yard safety in the years ahead.