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CBTC is a signalling standard defined by the IEEE 1474 standard. [1] The original version was introduced in 1999 and updated in 2004. [1] The aim was to create consistency and standardisation between digital railway signalling systems that allow for an increase in train capacity through what the standard defines as high-resolution train location determination. [1]
Transmission-based train control (TBTC) is a communication technology protocol used in railway signaling. [1] It encapsulates all railway signaling methodologies or frameworks that rely on the communication between the control room, trackside systems and onboard systems to ensure safe train movements.
CITYFLO 650 signalling is a CBTC system designed by Bombardier Transportation and later Alstom.It makes use of bi-directional radio communication between trains and wayside equipment, as well as true moving block technology, to control train operation.
In railway signalling, a moving block is a signalling block system where the blocks are defined in real time by computers as safe zones around each train. This requires both knowledge of the exact location and speed of all trains at any given time, and continual communication between the central signalling system and the train's cab signalling ...
Trainguard MT is a communication-based train control (CBTC) developed by Siemens Transportation Systems (ex Matra Transport international, and now integrated into Siemens Mobility) which allows fully automated circulation of rapid transit trains, and thanks to moving block system, less time between trains.
Headway is the distance or duration between vehicles in a transit system. The minimum headway is the shortest such distance or time achievable by a system without a reduction in the speed of vehicles. The precise definition varies depending on the application, but it is most commonly measured as the distance from the tip (front end) of one ...
RailTopoModel is a systemic data model for describing the topology-based railway infrastructure as needed by various applications. The RailTopoModel has been initially developed under patronage of the International Union of Railways (UIC) and was released as International Railway Standard (IRS) 30100 in April 2016. [1]
The system's rail lines run on eleven lettered "routes". Within these routes, each station is also identified by a letter and number system based on the route letter and the station number in ascending order from the system's geographic center. This is known as the Remote Terminal Unit (RTU) number.