(1) A shunt signal is a subsidiary signal to control shunting movement only and shall be a position light signal.
(2) A shunt signal may be placed on a post by itself or below a stop signal other than the first and last stop signal of a station.
(3) More than one shunt signal may be placed on the same post and when so placed the top most shunt signal shall apply to the extreme left hand line and the second shunt signal from the top shall apply to the next line from the left, and so on.
(4) When a shunt signal is placed below a stop signal, it shall show no light in the ‘ON’ position.
(5) The shunt signals shall detect points upto next shunt signal or stop signal whichever is closest but will have no signal overlap.
(6) When a shunt signal is taken 'off', it authorises the loco pilot to draw ahead with caution for shunting purposes although stop signal, if any, above it is at 'ON' position.
(7) In case shunt signals are not provided, hand signals shall be used for shunting after ensuring setting of points and locking of facing points.
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(8) The aspects and indications of position light type shunt signal are shown below,-
(9) Defective shunt signal- The loco pilot shall not pass shunt signal that refers to him at 'ON' or defective during shunting unless he has received a shunting order from the station master on duty with remarks that shunt signal cannot be taken 'off' or is defective.