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High-speed railway line : ウィキペディア英語版 | High-speed railway line
A High-speed railway line is a railway line specially built or updated to allow trains to run at over 200km/h. Important considerations are that the minimum curve radius be sufficiently large to allow comfortable and safe operation at elevated speed, and often that the line must be devoid of grade crossings to minimize the chance of impact with roadway vehicles or animals. Dedicated high-speed rail lines have been built in many countries and are planned for several others as well. ==See also==
* List of high-speed rail lines * Planned high-speed rail by country
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「High-speed railway line」の詳細全文を読む
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