Tianjin–Shanhaiguan railway

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The Tianjin–Shanhaiguan railway, also known as the Jinshan railway, is a 303-kilometer line in China from Tianjin to Shanhaiguan. It serves stations including Tianjin, Tanggu, Tangshan, Qinhuangdao, and Shanhaiguan. The line uses standard gauge, is electrified with 25 kV 50 Hz AC, and allows speeds up to 250 km/h. It was originally part of the Beijing–Harbin railway but was renamed after the Beijing–Harbin railway merged with the Beijing–Qinhuangdao railway.