Qinglongqiao railway station (also known as Ching-lung-chiao railway station) is a historic station of Jingbao Railway located in Badaling Town, Yanqing District, Beijing. It was built in 1908, and includes the famous zigzag railway designed by the Chinese railroad engineer Zhan Tianyou (Jeme Tien-Yow). The station also contains the tomb of Zhan Tianyou and a statue of his, along with milestones in Suzhou numerals. Note that there are two stations with "Qinglongqiao" in their names: Qinglongqiao and Qinglongqiao West. In the northbound direction, the Line S2 suburban trains from to & use the western switchback, changing direction in Qinglongqiao West railway station. Only in the southbound direction do the trains use the eastern switchback, reversing at Qinglongqiao railway station.