Signals Passed At Danger

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• 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

• danger — noun ADJECTIVE ▪ big, considerable, enormous, extreme, grave, great, mortal, obvious, real, serious, significant …   Collocations dictionary

• Application of railway signals — Semaphore stop signals protecting the convergence of two tracks into one The application of railway signals on a rail layout is determined by various factors, principally the location of points of potential conflict, as well as the speed and… …   Wikipedia

• British railway signals — Modern British signalling is based on a two, three and four aspect colour light system using non permissive block rules. It is a basic progression of the original semaphore signalling that can still be found on many secondary lines. Colour light… …   Wikipedia

• Automatische treinbeïnvloeding — or ATB is a Dutch train protection system developed in the 1950s. Its installation was spurred by the Harmelen train disaster of 1962.ATB operates by the train collecting electrical signals from line side apparatus which will override the driver… …   Wikipedia

• SPAD — Simple Plastic Airplane Design (Governmental » Military) Simple Plastic Airplane Design (Governmental » Transportation) * Signals Passed At Danger (Governmental » Transportation) * Simple Plastic Aeroplane Design (Miscellaneous » Funnies) …   Abbreviations dictionary

• Railway signalling — Not to be confused with Railway signal. A gantry of British semaphore signals seen from the cab of a steam locomotive Railway signalling is a system used to control railway traffic safely, essentially to prevent trains from colliding. Being… …   Wikipedia

• List of rail accidents in the United Kingdom — This list is of railway accidents in Britain sorted chronologically. For a list sorted by death toll see List of British rail accidents by death toll. It does not include incidents that did not involve rolling stock, such as the King s Cross fire …   Wikipedia

• UK railway signalling — The railway signalling systems used across the majority of the United Kingdom rail network use lineside signals to advise the driver of the status of the section of track ahead. Most lineside signals are in colour light form, but a significant… …   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

• Marden rail crash — Date and time 4 January 1969 at 20:42 Location Between Paddock Wood and Marden railway stations. Coordinates Approximately TQ 724 449 …   Wikipedia