TD. Automatic information system and video terminal capable of displaying the movement of trains in a section of line or controlled area. Terminal that in computerized train traffic management systems allows, on a specific video that represents the line and station tracks, the real-time display of the train position and other information on the line status (out of service, etc.) ; the train normally appears on the screen with the number that distinguishes it and with it you can follow its progress on each block section. In addition to the train number is also often reported the deviation from time
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