CLASSIFICATION OF STATIONS

(1) Stations shall, for the purpose of these rules, be divided into two categories – block stations and non – block stations.
(2) Block stations are those at which the Loco Pilot must obtain an authority to proceed, under the system of working, to enter the block section with his train; and under the Absolute Block System consist of three classes–
Class 'A' stations – where Line Clear may not be given for a train unless the line on which it is intended to receive the train is clear for at least 400 meters beyond the Home signal, or upto the Starter;
Class 'B' stations – where Line Clear may be given for a train before the line has been cleared for the reception of the train within the station section; and
Class ‘C’ stations – block huts, where Line Clear may not be given for a train, unless the whole of the last preceding train, has passed complete at least 400 meters beyond the Home signal and is continuing its journey. This will also include an Intermediate Block Post.
(3) Non- block stations or class 'D' stations are stopping places, which are situated between two consecutive block stations, and do not form the boundary of any block section. * * * * *

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