SIGNALS
A GENERAL PROVISIONS
3.01 GENERAL USE OF SIGNALS.— The signals prescribed in these rules shall be used for controlling the movement of train in all cases in which exceptions are not allowed by approved special instructions. 3.02 KINDS OF SIGNALS.— The signals to be used for controlling the movement of trains shall be— (a) fixed signals, (b) hand signals, (c) detonating signals and (d) flare signals. 3.03 USE OF NIGHT SIGNALS BY DAY.— The signals prescribed in these rules for use by night shall also be used by day in tunnels and in thick, foggy or tempestuous weather impairing visibility. 3.04 PLACING OF SIGNALS AND SIGNAL ARMS; PAINTING OF SIGNAL ARMS.— (1) Fixed signals shall be clearly visible to the Loco Pilots of trains approaching them and shall be placed immediately to the left of or above the line to which they refer, unless otherwise authorised by special instructions. (2) In the case of semaphore signals, signal arms shall be placed on left hand side of the post as seen by the L...