Pavement condition of Liuzhi expressway in Zhenning

The starting point of Liuzhen expressway Project is located in Yu Na Village on the west side of Liuzhi Special Zone, connecting Liupanshui in Guizhou to Liupanshui in Zhenning expressway to Liuzhi section. The line goes west along the north side of Liuzhi County, passes through the north side of Sijiaotian Coal Mine, Qinglong Village, Houyutang Village and Yun Tong Village, crosses the S 102 and Guikun Railway at Shangbopa, and reaches Wanzhai Village in Dayong Town along the south side of provincial highway S 102, which is an inter-provincial highway. On the north side of Luobie, it enters Ding Qi Town of Zhenning County eastward through Guanzhai Village and Shangbatian Village, passes through Pingzhai Village, Jiuzhai Village, Stair Bay, Daijiazhuang and Dadiba, and finally reaches Heshangzhuang (between Zhenning Service Area and Zhenning Interchange), connecting with the completed Shanghai-Kunming-expressway, with a total length of 44.878 kilometers.

According to the function orientation and traffic volume forecast of the project, combined with the topographic and geological conditions along the line, the four-lane expressway standard is adopted for construction, the design speed is 80km/h, the subgrade width is 2 1.5m, the asphalt concrete pavement is adopted, and the design load of bridges and culverts is a first-class highway. There are five interchanges in Liuzhi West, Liuzhi East, Luobie, Ding Qi and Zhenning. There are 1 parking area, 1 maintenance work area and 1 management sub-centers on the whole line.