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The article presents the results of the development and implementation of a method for controlling the technological processes of repairing locomotives based on network planning. The methodology allows you to track online bottlenecks during current repairs and reduce the duration of the critical path by varying the time indicators of events and works, using the aggregate-nodal repair method, redistributing resources between critical and non-critical works. The developed methodology is based on the adjustment of basic repair networks, taking into account the workload of process equipment and repair personnel, the availability of spare parts and materials, the need for unscheduled work during the planned installation of a particular locomotive for repair. This approach was implemented within the framework of the automated control system (ACS) «Network Schedule» and provides control and adjustment of the implementation of technological operations according to the indicators of technological preparation of repairs. An algorithm has been developed for determining a generalized performance indicator when assessing the quality of functioning of an automated maintenance and repair control system for a locomotive in service locomotive depots.