This includes the time needed for the train to accelerator and to stop. According to the 1997 Guinness Book of World Records, the French TGV had the highest average speed from one station to the next of 253 kph (157 mph). Train speeds on all the railways of the world are constantly improving, and research is continuing for even faster rail-travel possibilities. The fastest steam locomotive was the A4 'Mallard' 4-6-2 and could reach 125 or 126 mph. The fastest speed on record for a steam locomotive goes to Britain’s ‘Magnificent Mallard a highly streamlined engine that briefly achieved 125.88 (202.5 km/h) on a slight downgrade in July. The gas turbine, develop initially for aeronautics, was adatped for railway traction toward 1965. Electric and diesel locomotives continued to improve their performance. The steam engine, with its low energy efficiency, was gradually replaced. In 1955, the experimental record of 331 km/h was set with electric traction. The weight of the train frequently exceeds 1,000 tons behind the tender. throughout, including all stops and speed restrictions. Today, it is on display at the Railroad Museum of Pennsylvania outside of Strasburg, Pennsylvania in the United States. The time of this express has now been reduced to seventeen hours for the distance of 958.7 miles between New York and Chicago, and involves an average speed of 56.4 m.p.h. Pennsylvania Railroad 7002 is a class 'E7s' 4-4-2 'Atlantic' type steam locomotive built for the Pennsylvania Railroad by their own Altoona Works in August 1902. After the second World War, higher speeds and loads were achieved for all types of traction. Pennsylvania Railroad Rolling Stock Thematic Resource. Toward the end of the 19th century appeared electric traction, followed by heat-engine locomotion toward 1930: diesel locomotive and rail-cars began to appear on non-electric lines. After initial tentative efforts, between 18, between 18, and then between 19 the greatest progress was made in improving the rate of travel of trains, as well as the haulage loads. Until the end of the century, the steam engine was practically the main instrument of the striving for higher speeds. As early as 1854, trains travelled at a commercial speed of about 60 km/h, as against 6.5 km/h for the stage coaches of 1840. On July 3, 1938, Mallard billowed out smoke as it reached speeds of 126 mph a little over 200 kmph. The combination of the steam engine and the rail at the beginning of the 19th century contributed tremendously to man's possibilities of high-speed travel. No air to breathe, no space to move, the stuffy heat, muffled breathes, and strange smells. BRIEF HISTORY OF RAILWAY SPEED PROGRESS HISTORIQUE DE LA VITESSE FERROVIAIRE
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