Yuanshu Interchange Bridge, located on the west side of Shangri-La Road in Xining City, Qinghai Province, is the largest interchange bridge in the whole province. There are 12 ramps through which vehicles can interchange and transfer to new and old Xita Expressway, Beijing-Tibet Expressway, South Round City Expressway and Fenghuangshan Highway under construction in Xining City. The construction of this bridge will greatly improve the main framework of Xining traffic Expressway network, promote and improve the capacity and service level of regional road network.