TY CONF TI CONCEPTUAL ARCHITECTURE OF AN INTELLIGENT TRANSPORTATION SYSTEM FOR MASS EVENT SERVICES KW intelligent transportation systems KW its architecture KW its service groups KW transportation service KW mass events JO MODERN SYSTEMS AND TECHNOLOGIES IN TRANSPORT: PROBLEMS AND PROSPECTS AU Bulatova, O.Y. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov