Railway Markers & boards Shunting Limit Board Block Section Limit Board Outlying Siding
Markers & boards
Warning Board: Provided to warn the driver that he is approaching a stop signal. To
draw attention of the driver in the night, self-reflecting sheets are fixed. It is located not
less than 1.5 Kms. in rear of FSS. Where double distant is provided, warning board is
Shunting Limit Board
Provided on single line sections where shunting in the face of
approaching train is permitted. Placed at a distance not less than 180 Mts. from the
opposing First stop signal.
Block Section Limit Board
Provided on double section where there are no facing points or the outer most points at the approaching end are trailing. It shall be placed at a distance not less than 180 Mts. from the first stop signal.
Where an intermediate siding taking „OFF‟ in the facing direction in passenger running line outside station limits is provided with „S‟ marker board to indicate that a siding is taking „OFF‟ from main line.