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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.
Primarily, Kavach works on the principle of continuous supervision of the movement authority and is designed to maintain train speed within the specified limits and can automatically apply brakes to slow down or to bring the train to a complete standstill, in case the Loco Pilots violates the speed restrictions or fails to act in time to prevent Signal Passed At Danger (SPAD); thereby reducing ...
Once a route is set and a train is given a signal to proceed over that route, all switches and other movable appliances in the route are locked in position until either the train passes out of the portion of the route affected, or; the signal to proceed is withdrawn and sufficient time has passed to ensure that a train approaching that route ...
Signalling in the UK uses route signalling. Most railway systems around the world, however, use speed signalling. Under route signalling, the driver is informed which route has been set by an illuminated Junction Indicator mounted on the signal post. The signal will display a restrictive aspect to make the driver reduce the train's speed. Once ...
This advanced system features modern signaling with virtual blocks and Automatic Train Operation (ATO) functionality over an LTE backbone. A standout feature of the RRTS is the interoperability across all corridors, enabled by ETCS Level-2. The system monitors train speed and direction while providing operational directives via a radio block ...
The token system is still regularly used on the present-day State Railway of Thailand system. Although most use occurs in regional areas, some use appears in the capital city, Bangkok, such as the Makkasan to Khlong Tan section etc. [16] Sri Lanka Railways uses a tablet exchanging system on the up-country railway line.
The on-board train protection device, the first device designed by Konkan Railway with their technical partner Kernex Microsystems (I) Ltd, was installed throughout the Indian Railway network. A new ACD Version-II, now called the Train Collision Avoidance System (TCAS), is under development by The Research Designs and Standards Organisation (RDSO).
Spanning 65,093 km (40,447 mi) 1,676 mm (5 ft 6 in) broad gauge is the most used gauge with 1,000 mm (3 ft 3 + 3 ⁄ 8 in) metre gauge and 762 mm (2 ft 6 in) narrow gauge and 610 mm (2 ft) narrower gauge tracks limited to certain routes. [1] Indian Railways uses a range of signalling technologies and methods to manage its train operations based ...