What is the history behind the 7 new zones created?

29-06-2019

In 1984, the Railway Reform Committee had proposed the creation of four new zones to cope with the growth of freight traffic across the country and to rationalize the traffic handling of IR. This proposal went nowhere. In the 1990s IR had been considering setting up more zones, ostensibly to improve administrative and operational efficiency. However, the final proposals which came out for new zones appear to have been motivated by politics as much as technical considerations of efficiency. Six zones (East Coast Rly., East Central Rly., North Central Rly., North Western Rly., South Western Rly., and West Central Rly.) were proposed and approved in principle in July 1996 during the tenure of

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What indications do signals show and what do they mean?
July 14, 2019

The most common indications shown by various signals are the following: Stop This requires a train to stop dead and not pass the signal except under special instructions or emergency procedures. (Stop signals may be passed after halting and waiting in automatic block territory – usually 1 min. during the day & 2 min. during the night.) This

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What are the systems of colour-light signalling used by IR?
July 14, 2019

There are three systems of colour-light signalling in use. (In IR terminology, the term Multiple-Aspect Colour-Light signalling includes both 3- and 4-aspect signalling, and 2-aspect signalling is usually treated as a variant of 2-aspect semaphore signalling. Hence the classification below is not the same as IR's.) Two-aspect colour-light

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What are ‘single-wire’ and ‘double-wire’ signalling?
July 14, 2019

'Single-wire' apparatus, as the name implies, utilizes a single wire or cable connecting the signal lever at the cabin or elsewhere where the signal frame is located, to the actual semaphore mechanism on the signal post. Operating the signal lever to take the signal off causes the transmission wire to be pulled, moving the semaphore arm to the

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What are the systems of semaphore signalling used by IR?
July 14, 2019

In IR's lower quadrant system (Two-aspect Lower Quadrant) the semaphore arm can only be in two positions. The horizontal on position shows the most restrictive indication (requiring the train to stop or slow down or proceed with caution depending on the kind of signal), and a lowered position where the semaphore arm is at about 60 degrees or more

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What types of signalling systems are used on IR?
July 14, 2019

R uses several forms of signalling. In IR manuals reference is made usually only to 4 main types of systems, Lower Quadrant semaphore, Modified Lower Quadrant semaphore, Multiple Aspect Upper Quadrant semaphore, and multiple-aspect colour-light signalling. But in practice there are some variations in the kinds of colour-light signalling seen, so

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What kinds of signals (semaphores, lamps, etc.) does IR use?
July 14, 2019

IR uses several kinds of signals. Semaphore signals have generally given way to colour-light signals although there are still many places with semaphore signalling in use. Semaphore signals are the older style signals seen widely throughout the country, where each signal has an assembly with an arm mounted on a mast, where the arm can move

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