TY JOUR TI Modelling the Functioning of Low-Intensity Railway Lines at Different Phases of Their Life Cycle KW Low-intensity railway lines KW dynamic programming KW transport network KW transport performance indicators JO Proceedings of Petersburg Transport University AU Kovalev, K.E. AU Novichihin, A.V. PY 2025 IS 22 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"