distant caution signal

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• distant signal — /ˈdɪstənt sɪgnəl/ (say distuhnt signuhl) noun a railway caution signal fixed at braking distance from a home signal …  

• 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

• 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

• Australian railway signalling — Just as the railways of Australia has suffered issues from incompatible rail gauges, the different states have tended to go their own way regarding railway signalling practice.New South WalesThe signalling system in New South Wales consists… …   Wikipedia

• Automatic Warning System — The Automatic Warning System (AWS) is a form of limited cab signalling and train protection system introduced in 1956 in the United Kingdom to help train drivers observe and obey signals. It was based on a 1930 system developed by Alfred Ernest… …   Wikipedia

• Punktförmige Zugbeeinflussung — The Punktförmige Zugbeeinflussung (PZB, point wise train protection ) is an intermittent cab signalling system and train protection system used in Germany, Austria, Slovenia, Croatia, Romania and on one line in Canada. It is also known as… …   Wikipedia

• Harrow and Wealdstone rail crash — infobox UK rail accident title= Harrow and Wealdstone rail crash date= 8 October 1952 08:19 location= Harrow and Wealdstone line = West Coast Main Line (BR London Midland) cause= SPAD trains= 3 pax= deaths= 112 injuries= 340 The Harrow and… …   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

• Japanese railway signals — This article explains railway signals in Japan.In Japanese ministerial decree defining technical standard of railway (鉄道に関する技術上の基準を定める省令 Tetsudō ni kansuru gijutsu jō no kijun wo sadameru shōrei), railway signals are defined to indicate… …   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

• international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… …   Universalium