Section 49A(17) in The West Bengal Factories Rules, 1958
(17)Crossing: - (a) At all crossings of a track with a road or walkway, danger or crossing signs and wherever reasonably practible, blinking light or alarm lights shall be provided. Swinging gates and barriers shall be secured against inadvertent opening or closing.(b)All crossing warning signs, gates and barriers shall be illuminated during hours of darkness.
