Abstract
A proactive approach to safety management in transport requires a wider use of information coming from events with low severity of consequences. Therefore, in safety studies, it is necessary to use systemic methods of traffic flow and its control modeling that allow focusing on the planned operation and possible deviations that are inevitable, especially since we are dealing with a sociotechnical system. The aim of the paper was to compare the possibility of analyzing the operation of systems while using various traffic and its control models. The analysis is carried out in terms of traffic safety assessment. For comparison, Functional Resonance Analysis Method (FRAM) and Colored Petri Net (CPN) simulation modeling were selected. Models of the aerodrome traffic system built on the basis of both these approaches allow achieving the main objective of the analysis that is identifying such system function variability scenarios that lead to an undesirable event. However, each of these methods has its advantages and disadvantages. The analysis allows proposing the use of hybrid traffic flow and control models using both the FRAM method and the CPN approach.
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