High speed railway is a railway operating speeds faster than General railway "High-speed rail" so far in the world still do not have consistent definitions， such as the recommendations of the International Union of railways makes its design speed means through the transformation of the original line up to 200 km/h， or create a new line of design speed of more than 250 km/ Launch in 1964 Japan Tokaido Shinkansen， is the world's first commercial high-speed railway system of the operating speed of 200 kilometers per hour or Is a high-tech integrated system of high speed railway， in addition to the need to train operating speeds of up to a certain standard， railway vehicles， tracks， signalling systems aspects， such as the need for technical
