TY JOUR TI LOCOMOTIVE PERFORMANCE AS AN INDICATOR OF THE EFFICIENCY OPERATION CIRCULAR BLOCK TRAIN CIRCULATION SYSTEM KW circular block train KW locomotive performance KW locomotive KW traction resource management JO Modern Technologies and Scientific and Technological Progress AU Domozhirova, A.D. PY 2022 IS 2022 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»