Industrial Automatic Control Systems and Controllers Annotation << Back Stages of Development of Railway Automatics, Telemechanics and Communication Systems and High-Speed Operation Kiselev I.P. The article states the division into periods and describes the prehistory and two stages of development of automatics, telemechanics and communication devices at the railway transport in the XIX – first decade of the XXI century; it is shown how the state of the above engineering devices affects the high-speed mainline characteristics; the latest tendencies in development of automatic control systems of train operation at high-speed railways are presented. Key words: automatics, telemechanics, communication, railway transport, automatic control system of railway operation. E-mail: kis1347@yandex.ru