A new approach to the planning and establishment of railway infrastructure capacity

This paper presents the review and the analysis of the analytical methods and simulation models, \vhich have been used so far to plan and establish railway infrastructure capacity. The main concept is being defmed, principles, characteristics and the structure ofthe new simulation model SIZES, as well as the results of the simulation, are being outlined. Developed simulation models enable establishing ofthe railway infrastructure capacity in very complex conditions for the multiple-track as well as single-track lines, thenfor the stations, i. e. entry-exit tracksets and tracks, conflict points - the places of converging and diverging of the tracks. The results tested in various conditions produce completely logical results. Based on the research results, it is possible toform the dependence ofthe railway infrastructure capacity on the traffic quality in various infrastructure and traffic organisation conditions.