A safety function deployment model for improvement in safety related decision making: A case of transportation system

Despite of being a considerable amount of investigations going on in road transportation safety, there still the preventive measures are a concerning issue. Various methods are developed for the safe transportation system and for risk mitigation, but there are still gaps remaining for the proper hazard identification and prioritization of safety measures purposes. This study describes a hazard identification technique from a system breakdown approach to its analysis for risk management in a transportation system. A safety function deployment (SFD) approach is introduced which is basically the integration of quality function deployment (QFD) and risk management to identify potential hazards and find crucial safety measures. This method can be used as a technique to identify safety requirements and implement proper safety barriers in order to reduce the risk in the transportation system.