摘要
1.Project overview Since the first high-speed railway(HSR)intercity line was built between Beijing and Tianjin in 2008,China’s HSRs have developed rapidly.In a short span of ten years,successive HSRs have entered operation between Zhengzhou and Xi’an,Beijing and Shanghai,Beijing and Guangzhou,Lanzhou and Urumqi,and around Hainan Island.By the end of 2018,the HSR route length in China exceeded 29000 km,accounting for over two thirds of the world’s total.
