The Train Controller must give Warning of the CAN to Rail Traffic Crew if:
a faulty or potentially faulty Level Crossing has been reported;
Level Crossing Warning equipment has been deactivated;
Rail Traffic must be restrained; and
Speed Restrictions have been imposed.
Where possible, the Train Controller must arrange for Rail Traffic Crew to be given
written Warning before Rail Traffic enters the affected Section.
If it is not possible for Rail Traffic Crew to be given written Warning, the Train Controller
must tell affected Rail Traffic Crew about the CAN by whatever means available.
Rail Traffic Crew must acknowledge and comply with CAN Warnings.
The Train Controller must continue to warn Rail Traffic Crew entering the affected
Section until:
the CAN no longer exists; or
Rail Traffic Crew are warned by other means