intelligent control systems for rail infrastructures and for rail vehicle operations management, namely, computer networks and systems, comprised of computer hardware and computer software for controlling and monitoring rail systems, which serve such functions as - monitoring tracks, power supplies, equipment facilities and passenger stations; automatic supervision and control of interlockings, administration of train code numbers and automatic tracking, routing, spacing and dispatching of trains and vehicles; control switching equipment and switching sequences for automatic switching operations; collecting and processing information to report system status, and report and diagnose faults and other deviations; management functions such as preparation and comparison of timetables; and archiving information computer hardware and software for providing rail passengers with rail information via announcements and automatic display boards; radio management systems, comprised of computers, computer peripherals, and walkie talkies