train indicator
51Level crossing — This article is about at grade intersections between railway and road. For where two rail lines cross, see level junction. For a type of nuclear receptor (RXR), see Retinoid X receptor. A level crossing at Chertsey, England, as the barriers rise …
52Tehran — This article is about the Iranian capital city. For other uses, see Tehran (disambiguation). Tehran تهران …
53Railroad switch — For other uses, see Switch (disambiguation). A right hand railroad switch with point indicator pointing to right …
54Indian Railways — Infobox Company name = भारतीय रेल, Indian Railways company type = Departmental Undertaking of The Ministry of Railways, Government of India foundation = April 16, 1853, nationalized in 1951 location city = New Delhi location country = India… …
55Top Thrill Dragster — Infobox roller coaster name = Top Thrill Dragster caption = Top Thrill Dragster section = Top Thrill Dragster Midway (near Power Tower) location = Cedar Point type =Steel type2 =Launched manufacturer =Intamin AG designer = Werner Stengel track =… …
56Radio 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 …
57Application 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… …
58 Tyrannosaurus — Pour les articles homonymes, voir Tyrannosaurus rex (homonymie). Tyrannosaurus …
59Global Positioning System — GPS redirects here. For other uses, see GPS (disambiguation). Geodesy Fundamentals …
60Signal 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 …
