Third rail
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A third rail, also known as a conductor rail, electric rail, live rail, or power rail, is a method of providing electric power to a railway locomotive or train, through a semi-continuous rigid conduct
A British Rail Class 442 third-rail electric multiple unit in Battersea. The Class 442 holds the speed record for a third-rail EMU, being set at 109 mph (175 km/h).
The contact shoe of a New York City Subway car making contact with the third rail. In the foreground is the third rail for the adjacent track.
Third rail (top) at Bloor-Yonge station (Line 1) on the Toronto subway. Energized at 600 volts DC, the third rail provides electrical power to the power-train, and ancillaries of the subway cars.
Paris Métro. The guide rails on the rubber-tyred lines also function as current conductors. The horizontal contact shoe is between the pair of rubber wheels.
West London line
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The West London line is a railway line in inner West London that links Willesden Junction in the north to Clapham Junction in the south. The line has always been an important cross-London link, especi
A Class 378 train operated for London Overground at Imperial Wharf, September 2009
The unadvertised Post Office workers' train at Olympia in 1968
The West London line passenger service, revived in 1994 by BR Network Southeast and run as a diesel service (pictured here at Clapham Junction in 1995)
the fully electric West London line service during the days of Silverlink at Olympia (2006)