خط آهن سریع السیر/مافوق سریع
( High Speed Rail= )
Build tracks that let you go really fast. True high - speed rail, in excess of 125 mph, requires dedicated electrified passenger tracks that are grade separated from roads and other railroads. The speed at which a train can travel is limited by the type of track it travels on
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HSrail. org@
High - speed rail ( HSR ) is a type of rail transport that runs significantly faster than traditional rail traffic, using an integrated system of specialized rolling stock and dedicated tracks. While there is no single standard that applies worldwide, new lines in excess of 250 kilometres per hour ( 160 mph ) and existing lines in excess of 200 kilometres per hour ( 120 mph ) are widely considered to be high - speed. The first high - speed rail system, the Tōkaidō Shinkansen, began operations in Japan in 1964 and was widely known as the bullet train. High - speed trains mostly operate on standard gauge tracks of continuously welded rail on grade - separated right - of - way that incorporates a large turning radius in its design
Wikipedia@
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High - speed rail ( HSR ) is a type of rail transport that runs significantly faster than traditional rail traffic, using an integrated system of specialized rolling stock and dedicated tracks. While there is no single standard that applies worldwide, new lines in excess of 250 kilometres per hour ( 160 mph ) and existing lines in excess of 200 kilometres per hour ( 120 mph ) are widely considered to be high - speed. The first high - speed rail system, the Tōkaidō Shinkansen, began operations in Japan in 1964 and was widely known as the bullet train. High - speed trains mostly operate on standard gauge tracks of continuously welded rail on grade - separated right - of - way that incorporates a large turning radius in its design