If Handsignalling at a Controlled Absolute Signal the Handsignaller must:
be able to see whether the Controlled Absolute Signal is at Stop; and
if Rail Traffic is required to stop, give a STOP Handsignal until Rail Traffic has
stopped.
If the Controlled Absolute Signal being held at stop goes to clear, the Handsignaller
must:
tell the Train Controller to set the Controlled Absolute Signal at stop; and
inform the PO where provided.