This article presents a conceptualized analysis of technology-related risks for a transportation safety system. It also considers its subsystems that impact safety. The scheme developed allowed defining the key factor influencing transport safety through accounting various destabilizing impacts. The authors claim that the human factor is the key one, which is especially true for locomotive crews responsible for transportation. Locomotive crew working conditions are described in a visualized combination of negative effects people suffer in an engine cab. Based on the statistics collected and analyzed, the article presents specific occupational diseases of transportation workers. The dynamics of mental capacity and the state of the cardiovascular system of locomotive crews were analyzed using the WAIS test. The research results can be used in the practices of the Russian Railways to facilitate the efficiency and coherence in decision making related to labor safety.

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