TY JOUR TI Development of recommendations on the use of tram switches under various operating conditions KW tramway KW switch KW track arrow KW operating conditions KW life cycle cost JO Bulletin of scientific research results AU Dudkin, E.P. AU Basovskiy, D.A. AU Vostrikov, O.V. PY 2024 IS 2024 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"