Zhangjiawan subway station belongs to Shapingba District, Chongqing, and is one of the stations of the second phase (Zengjia-Jiuqu Hedong) of Metro 15 Line. According to the land acquisition plan of Shafu, the tender announcement is determined. As an important TOD site of the second phase of rail transit 15 line, Zhangjiawan Depot is located on the east side of University East Road 1 in Beituo District of Shapingba District, with Taojiayuanzi overpass under construction on the south side and Erheng Line on the east side.