stop-signal

  • 121List of rail accidents (1950–1999) — List of rail accidents from 1950 to 1999.For historic accidents before 1950, see List of pre 1950 rail accidents .For accidents from 2000 to the present, see List of rail accidents . notoc 1950s 1950* February 17 1950 ndash; Rockville Centre, New …

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  • 122British 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… …

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  • 123ГОСТ 17657-79: Передача данных. Термины и определения — Терминология ГОСТ 17657 79: Передача данных. Термины и определения оригинал документа: 78. n кратная ошибка в цифровом сигнале данных n кратная ошибка Е. n fold error Группа из и ошибок в цифровом сигнале данных, при которой ошибочные единичные… …

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  • 124Metropolitan line — Metropolitan Colour on map Magenta Year opened 1863 Line type Sub Surface Rolling stock A Stock and S Stock 8 carriages pe …

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  • 125North American railway signaling — For the actual physical signals, see North American railroad signals. Standards for North American railway signaling in the United States are issued by the Association of American Railroads (AAR), which is a trade association of the railroads of… …

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  • 126List of rail accidents (pre-1950) — For a list of 1950 1999 rail accidents, see List of 1950 1999 rail accidents.For a list of post 2000 rail accidents, see List of rail accidents. notoc Pre 1830 1815 * 1815, exact date unclear ndash; Philadelphia, Co Durham, England: 16 people,… …

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  • 127School bus — This article is about vehicles specifically designed and manufactured for carrying students to and from school. For information about school transportation in general, see student transport. School Bus Front 3/4 view of a typical North American… …

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  • 128Train Protection & Warning System — The Train Protection Warning System (TPWS) is a train protection system deployed across the entire UK passenger railway network, as well as in Victoria, Australia. [ [http://www.networkrailmediacentre.co.uk/content/detail.asp?NewsAreaID=2… …

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