Paragraph 20

Drivers shall bring their trains to a halt at the stop boards mentioned in paragraph 12 above and shall sound the train’s whistle before proceeding. Trains travelling in either direction on the railways shall not proceed over the level crossings until the driver has been given a clear handsignal by the person in charge of the level crossings to signify that the gates are securely closed and locked against road traffic and that the level crossings are clear.