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Daqin Railway (), also known as the Daqin Line (), is a 653 km coal-transport railway in north China. Its name is derived from its two terminal cities, Datong, a coal mining center in Shanxi province, and Qinhuangdao, of Hebei province, on the Bohai Sea. The railway also passes through the municipalities of Beijing and Tianjin. Unlike most other railways in China, which are run by the Ministry of Railways, the Daqin Railway is operated by Daqin Railway Company Limited, a publicly traded stock company. The electrified double track line serves as a major conduit for moving coal produced in Shanxi, Shaanxi and Inner Mongolia to Qinhuangdao, China's largest coal-exporting seaport, from there coal is shipped to south China and other countries in Asia. The line was constructed in two phases between December 1984 and December 1992, with specifications changed from single-track to double-track during construction.〔(Dadong-Qinhuangdao Railway Construction Project )〕 Design capacity was 100 million tonnes a year, which it reached after ten years, but continuous upgrades (wider subgrade, 75 kg/m rails, wagons with higher capacity and top speed, longer trains and stronger locomotives, radio operation and centralised traffic control, automatic train inspection) quadrupled capacity.〔 It carries more coal than any other railway line in China and the world. Freight trains operating on the Daqin Line can carry up to 20,000 metric tons, the largest carrying capacity in China.〔(Daqin Railway starts running heavy-loading train )〕 In 2006, powerful locomotive models HXD1 and HXD2, with 9.6 MW and 10 MW power output respectively, entered Daqin line to replace the older DJ1 models. ==See also== *Coal energy in China *List of railways in China *Rail transport in the People's Republic of China 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「Datong–Qinhuangdao Railway」の詳細全文を読む スポンサード リンク
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