The Home and Distant SignalA Signal (not itself a Stop Signal) capable of displaying a Cautionary Aspect that informs the driver of the state of the Signals or Level Crossing ahead. More arms and/or levers are provedEvidence provided by electrical or other means that a function is in a specified state. More at DangerAn indication given by a Signal to stop. More and
Caution respectively before 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. More can give Line ClearThe state of the Block Section after a train has been accepted but before it has entered the block section. More. Also known
as InterlinkingBox-to-box controls to ensure enforcement of electrical Sequential Locking. Proving of Home and Distant On and Berth Clear before transmitting Line Clear and th... More. See also Home Normal ControlThe Home Signal lever is proved Normal (and Semaphore Signal arm On where repeated) before the Signaller can give Line Clear to the Signal Box in rear. This pre... More.