Datong–Qinhuangdao railway

Datong–Qinhuangdao railway or 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 in Hebei province, on the Bohai Sea.

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 railway also passes through the municipalities of Beijing and Tianjin. Unlike most other railways in China, which are run by the state-owned China Railway Corporation, the Daqin railway is operated by Daqin Railway Company Limited, a publicly traded stock company.

Daqin railway carries over 1/5th of the coal transported by rail in China, more coal than any other railway line in China and the world.

The line was constructed in two phases between December 1984 and December 1992, with specifications changed from single-track to double-track during construction. 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.

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.

Year Coal Transportation Volume(metric tons) ... 1995 20 million ... 2000 60.52 million ... 2002 100 million 2003 120 millionAnalysis on the High Coal Inventory in Qinhuangdao Port 2004 153 million 2005 203 millionRailway company wins approval for public offering 2006 250 million 2007 300 millionRailway Rushed to Transport Power Generation Coal New Type Heavy-loaded Equipments Strut Their Stuff 2008 340 millionHeavy-haul heavyweight 2009 330 millionDaqing Railway sees to handle 380 Mt coal in 2010 2010 401 millionDaqin Railway 2010 Net Profit Up 46% 2011 440 million...2018451 million...2021420 million...2023422 million

Accidents and incidents 24 August 2020 - Four cars of a train derailed near Zhuolu railway station in Zhuolu County, Hebei province. No casualties were reported.

14 April 2022 - 17 cars of a freight train derailed after colliding with a parked locomotive near Cuipingshan railway station in Jizhou District, Tianjin, 11 of which fell off from the elevated railway. No casualties or injuries have been reported.

Datong–Qinhuangdao railway

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