TY CONF TI REGULATORY AND TECHNOLOGICAL SUPPORT FOR THE ACTIVITIES OF DISPATCHING PERSONNEL IN THE PROCESS OF RISK MANAGEMENT KW train safety KW traffic safety management KW risks KW risk factors JO INTERNATIONAL SCIENTIFIC AND PRACTICAL CONFERENCE "MANAGEMENT OF OPERATIONAL WORK IN TRANSPORT" (UERT-2022) AU Maksimova, E.S. AU Shmal', V.N. PY 2022 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"