TY JOUR TI Improvement of the system of investigation of emergency situations in railway transport KW traffic safety KW emergency situations KW the locomotive-wagon-way system KW mining and transshipment sites JO Proceedings of Petersburg Transport University AU Martynenko, L.V. AU Kononov, D.P. PY 2024 IS 21 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"