Evaluation of rail network dependencies with passive defense approach, case study: Yazd province

Rail transport is one of the important and vital infrastructures of any country. Building rail transport infrastructure requires a relatively high cost; But this cost is justified against its advantages, including high safety, cost-effectiveness, environmental friendliness and suitable for mass transportation. is also dependent on other infrastructures and its surrounding environment. These dependencies are more visible during the crisis and may, in addition to creating a crisis in the network itself, cause chain and cascade crises and increase the damages caused by the crisis. Also, the existence of these dependencies can be considered as a threat to the infrastructure and increase the possibility of infrastructure disruption. In this research, with the aim of identifying the dependencies of the railway network of Yazd province, by using the opinions of elites and conducting interviews, as well as surveying and evaluating these dependencies. The evaluation of the dependencies of the railway network of Yazd province as an important infrastructure in the province and the country has been carried out and the most important dependencies are the road transport of the province and in the next rank other rail areas adjacent to this network have been identified. According to the dependencies of this network, it seems that the continuity of operation in crisis conditions should be considered by crisis managers as one of the priorities of this network. In the end, based on the most important dependencies determined, suggestions for managing these dependencies have been proposed.