distant block signal
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distant signal — noun or distant block signal : a railroad signal placed at a distance that will allow adequate advance warning of the setting of a home signal at which the train must stop called also approach signal … Useful english dictionary
Signal passed at danger — (SPAD), in railway terminology, describes an event where a train has run beyond its allocated signal block without authority, as indicated by a lineside signal showing danger (typically a red light). It is a term primarily used within the British … Wikipedia
Signal box — A signal box or signal cabin is a building from which railway signals and points are controlled. The term signal cabin is used in Ireland, parts of Scotland and in Australia while in North America, the term interlocking tower predominates.… … Wikipedia
Railway semaphore signal — One of the earliest forms of fixed railway signal is the semaphore. These signals display their different indications to train drivers by changing the angle of inclination of a pivoted arm . Semaphore signals were patented in the early 1840s by… … Wikipedia
Railway signal — Not to be confused with Railway signalling. A signal is a mechanical or electrical device erected beside a railway line to pass information relating to the state of the line ahead to train/engine drivers. The driver interprets the signal s… … Wikipedia
British absolute block signalling — The principle of the British absolute block system of railway signalling is to facilitate the safe operation of a railway by preventing more than one train from occupying a defined section of route at the same time. This system is used on double… … Wikipedia
F-16 block 50 — General Dynamics F 16 Falcon Pour les articles homonymes, voir Falcon. General Dynamics F 16 Fighting Falcon … Wikipédia en Français
Radio Electronic Token Block — is a system of railway signalling used in the United Kingdom. It is a development of the physical token system for controlling traffic on single lines. How it works On arrival at a token exchange point , the driver reports his/her position to the … Wikipedia
home signal — noun : a railroad signal placed at the beginning of a block to indicate whether or not the block is clear compare distant signal … Useful english dictionary
home signal — /ˈhoʊm sɪgnəl/ (say hohm signuhl) noun a railway signal for controlling train movements into or through a section or block. Compare distant signal …
