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When railway emergency lead to traffic interruption for some sections, it is indispensable for railway administration to take some urgent processing measures for transporting detained passengers and trains. This paper focuses on the method of generating train paths in traffic interruption conditions and proposed the idea that signal system compatibility is a considerable factor in the procedure of searching paths. On the basis of this idea, it was designed that the algorithm of generating train path in terms of adequate capacity strategy. The core of the algorithm is recursive dijkstra algorithm. Finally, we confirmed the practicability of algorithm through an example. The result showed that the proposed algorithm for generating train feasible paths provides references to the organization of railway traffic organization in traffic interruption conditions. [ABSTRACT FROM AUTHOR]