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An Advanced Train Control System (ATCS) is a North American system of railroad equipment designed to ensure safety by monitoring locomotive and train locations, providing analysis and reporting, automating track warrants, detecting blind spot and similar orders. [1]
Safetran VIU-ACSES Field Encoder monitors wayside status information and sends track signal states through the ground network to locomotives.. The on-board equipment consists of a computer that also stores the route characteristics database, a distance measurement subsystem to track train position, an antenna subsystem for the track mounted balises, and a data radio subsystem for communication ...
Adaptive traffic control system (ATCS) is a traffic management strategy in which traffic signal timing changes, or adapts, based on actual traffic demand. This is accomplished using an adaptive traffic control system consisting of both hardware and software.
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The ATCS protocol, which the AAR had recommended the FCC consider as PTC in 2000 (when AAR sought a nationwide 900 MHz "ribbon" license), [42] can support train control operation at both 900 MHz and 160 MHz. [43] The latter frequency band is only used for ATCS on a few subdivisions and shortlines.