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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]
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 ...
An example of headway on a railway system with multiple block section. Train B can only enter a section with a green or yellow "aspect" (light), and must reduce speed when passing a yellow signal to the point where they can stop within the sighting distance. Train movements in most rail systems are tightly controlled by railway 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.
"CBTC systems allow optimal use of the railway infrastructure as well as achieving maximum capacity and minimum headway between operating trains, while maintaining the safety requirements. These systems are suitable for the new highly demanding urban lines, But also for resignaling for existing lines in order to improve their performance
Siemens Trainguard Sirius CBTC North–South MRT line: 2017 [46] Thales SelTrac Convergence CBTC [47] East–West MRT line: 18 June 2017 (Tuas West extension) 28 May 2018 (whole line) [46] Thomson–East Coast MRT line: 31 January 2020 [48] Alstom Urbalis 400 South Korea: Busan-Gimhae Light Rail Transit: 9 September 2011: SelTrac: Busan Metro ...
CITYFLO 650 CBTC system 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.
SelTrac is installed in many railways around the world, [5] including the following: Ankara Metro Line M1 1997 SelTrac CBTC DTO; Beijing Subway Line 4 2009 SelTrac CBTC/R (radio) ATO with Attendant; Busan–Gimhae Light Rail Transit 2011 SelTrac CBTC/R UTO; Detroit People Mover 1987 SelTrac CBTC UTO; Dubai Metro – Red and Green Lines 2009/ ...