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High Speed Rail


High-speed rail is a type of rail transport that operates significantly faster than traditional rail traffic, using an integrated system of specialized and dedicated tracks. While there is no single standard that applies worldwide, new lines in excess of 250 kilometres per hour (160 miles per hour) and existing lines in excess of 200 kilometres per hour (120 miles per hour) are widely considered to be high-speed, with some extending the definition to include lower speeds in areas for which these speeds still represent significant improvements. The first such system began operations in Japan in 1964 and was widely known as the bullet train. High-speed trains normally operate on standard gauge tracks of continuously welded rail on grade-separated right-of-way that incorporates a large turning radius in its design.

Many countries have developed high-speed rail to connect major cities, including Austria, Belgium, China, France, Germany, Italy, Japan, Poland, Portugal, Russia, South Korea, Spain, Sweden, Taiwan, Turkey, United Kingdom, United States and Uzbekistan. Only in Europe does HSR cross international borders. China has 22,000 kilometres (14,000 miles) of HSR as of end December 2016, accounting for two-thirds of the world's total.


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