A SignalA visual display device which conveys instructions or provides prior warning of instructions regarding the driver’s authority to proceed. is designated Non-PassableA Signal is designated Non-Passable because it protects an area of conflict or other infrastructure such that a significant hazard would arise in the event of i... because it protects an area of conflictA section of line beyond the Signal at danger on which a head-on, crossing or same direction converging collision with another legitimately positioned train cou...
or other infrastructure such that a significant hazard would arise in the event
of it being passed at dangerAn indication given by a Signal to stop. without authority. Such Signals cannot be
passed at dangerAn indication given by a Signal to stop. without specific authority from the SignallerA person responsible for the operation of the Signalling System, to safely control the passage and regulation of trains, usually located in a Signal Box., in
accordance with the Rule Book. Non-passableA Signal is designated Non-Passable because it protects an area of conflict or other infrastructure such that a significant hazard would arise in the event of i... Signals are usually
Controlled Signals.