Is Xuanhui Expressway a public building or Yunling?

Public buildings. Xuanhui Expressway is a public highway surveyed, designed and constructed by Shanghai Institute. Xuanhui Expressway Project has a total length of 96.74 kilometers and a construction period of 3 years. The starting point is located near Xiaguanchong Village on the north side of Xuanwei City, and Xuanwei North Hub is set to connect Weining to Xuanwei Expressway.