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level crossing signal

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  • Level 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 …   Wikipedia

  • Polgahawela level crossing accident — On April 27 2005, at Polgahawela in Sri Lanka a serious bus accident occurred on a level crossing. Overview The bus was a local one to Alawwa, reportedly carrying over 90 people through the town of Polgahawela, which is 80 km north east of… …   Wikipedia

  • Crossing sequence — may refer to: Crossing sequence (signal), a sound pattern when a train crosses a level crossing Crossing sequence (operation), a sequence of safety actions carried out when a train approeches and passes a level crossing Crossing sequence (Turing… …   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

  • Pedestrian crossing — Crosswalk redirects here. For other uses, see Crosswalk (disambiguation). An adult and child prepare to use a crosswalk in Haifa, Israel …   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

  • Logic level — In digital circuits, a logic level is one of a finite number of states that a signal can have. Logic levels are usually represented by the voltage difference between the signal and ground (or some other common reference point), although other… …   Wikipedia

  • Norwegian railway signalling — The signalling system used on the rail transport in Norway is regulated by the Regulations of December 4, 2001 no. 1336 about signals and signs on the state s railway network and connected private tracks. The first signalling system on the… …   Wikipedia

  • Point system (driving) — A demerit point system is one in which a driver s licensing authority, police force, or other organization issues cumulative demerits, or points to drivers on conviction for road traffic offenses. Points may either be added or subtracted,… …   Wikipedia

  • Point system — For other uses of the word point, see Point A point system is one in which a driver s licensing authority issues demerits, or points to drivers on conviction for road traffic offenses. Points may either be added or subtracted, depending on the… …   Wikipedia

  • Oakham railway station — Oakham Location Place …   Wikipedia

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