Taiwan High Speed Rail (abbreviated THSR or HSR) is a high-speed rail line that runs approximately 345 km (214 mi) (actual length in operation is 339 km (211 mi)) along the west coast of Taiwan, from the national capital Taipei to the southern city of Kaohsiung. With construction managed by a private company, Taiwan High Speed Rail Corporation (THSRC), which also operates the line, the total cost of the project was US$18 billion.