%0 Journal Article %T Technical Maintenance Analysis of the Automatic Locomotive Signalling in the Metro System %A Shvoyn, A.I. %A Kuz'min, V.S. %A Zhuhin, N.O. %K Metro system, automatic locomotive signalling, train devices, maintenance, digital protection, failures, lack of frequency, generator of a comprehensive test of the speed control system %J Proceedings of Petersburg Transport University %D 2025 %N 22 %P 11 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"