Shiyan-Tianshui expressway in Gansu section

The Gansu section of Shiyan-Tianshui National Expressway is an important part of the horizontal connection line of Fuzhou-Yinchuan Expressway in the national expressway network. The Group undertook the ST06 contract section starting from K561 + 400, ending at (YK 576 + 700, ZK 576 + 700), and the total length of the main line is 15.263 km.