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Centralized traffic control ( CTC) is a form of railway signalling that originated in North America. CTC consolidates train routing decisions that were previously carried out by local signal operators or the train crews themselves. The system consists of a centralized train dispatcher 's office that controls railroad interlockings and traffic ...
Train Dispatcher is a train simulator of centralized traffic control (CTC) systems. It was originally developed in the 1980s as a training tool for a commercial railroad and was then made available to the public. The software is currently produced by SoftRail (formerly Signal Computer Consultants) for Windows -based computers.
CTC-16 is a second-generation design based on the Digitrack 1600, a commercial system marketed from 1972 to 1976. The CTC-16 digital train control system is totally compatible with the Digitrack 1600. Digitrack 1600 was analog in nature, with pulses riding on a constant DC track voltage.
Control panel for a US&S relay interlocking. Entrance-Exit Interlocking (NX) was the original brand name of the first generation relay-based centralized traffic control (CTC) interlocking system introduced in 1936 by GRS (represented in Europe by Metropolitan-Vickers). The advent of all electric interlocking technology allowed for more ...
Beginning before World War II and accelerating after it, most major railroads installed centralized traffic control (CTC) systems to control train movements. Using CTC, a train dispatcher could align track switches anywhere on the territory so that trains could move into and out of sidings without having to stop and hand throw switches. The ...
e. Communications-based train control ( CBTC) is a railway signaling system that uses telecommunications between the train and track equipment for traffic management and infrastructure control. CBTC allows a train's position to be known more accurately than with traditional signaling systems. This makes railway traffic management safer and more ...
Track Warrant Control. A track warrant is a set of instructions issued to a train crew authorizing specific train movements. The system is widely used in North America. [citation needed] The warrant is issued by the train dispatcher and delivered to the train crew via radio. The train crew copies the instructions onto a pre-printed paper form ...
Railway signalling (BE), or railroad signaling (AE), is a system used to control the movement of railway traffic. Trains move on fixed rails , making them uniquely susceptible to collision . This susceptibility is exacerbated by the enormous weight and inertia of a train, which makes it difficult to quickly stop when encountering an obstacle.