(1) Every gate which closes across the road at a level crossing shall be interlocked and except when interlocked with station signals, be provided a fixed stop signal at an adequate distance of not less than one hundred eighty meters from the edge of the level crossing showing 'STOP' aspects in both Up and Down directions when the level crossing gates are open for the passage of road traffic.
(2) In addition, either a warning board of approved design as per sub-rule (3) of rule 60 at an adequate distance of two thousand meters, and a permissive distant at an adequate distance of not less than one thousand meters showing caution aspect when the level crossing gate is open, shall be provided in rear of the stop signal and the stop and the permissive distant signal where provided shall attain proceed aspect only when the level crossing gate is closed against the road traffic.
(3) In an automatic block signalling territory these three or four aspect colour light gate signals shall be made a part of the automatic block signalling in addition to their interlocking with the level crossing gate as above.
166 THE GAZETTE OF INDIA : EXTRAORDINARY [PART II—SEC. 3(i)]
(4) In absolute block signalling territory, a ‘G’ marker shall be provided on a level crossing gate stop signal except under the following circumstances, namely,-
(a) when there is a bridge between the level crossing gate stop signal and the gate;
(b) when level crossing gate stop signal is protecting points;
(c) where level crossing gate stop signal is controlling the movement of trains into railcum-road bridge; and
(d) Where otherwise prohibited under special instructions.
(5) In automatic block signalling territory,- (a) in case of an automatic level crossing gate stop signal, in addition to the "G" Marker, an "A" Marker shall be provided which shall be lit only when gates are closed and locked against the road traffic;
(b) in case of a semi-automatic level crossing gate stop signal, which protects points where exist in addition to the level crossing gate, it shall have "A" Marker which is to be lit when the gates are closed and locked against the road traffic, and points are correctly set and locked for the route; In addition the "G" Marker shall be replaced by "AG" Marker which shall be lit only when the gates are either open to road traffic or have failed but points where exist are correctly set and locked for the route; Neither of the markers shall be lit when points where exists are not correctly set and locked for the route or have failed; and
(c) in case of a modified semi-automatic level crossing gate stop signal when not working in automatic mode both 'A' and 'AG' markers shall not be lit.