the project starts from the east of miaoqian village, dayu town, jiyuan city, connects to the jiyang expressway under construction, and intersects with changji expressway to establish an interchange with miaoqian hub, and the route goes to chengliu town, potou town, and mengjin county, the southern economic source city. baihe town, chengguan town, xiaolangdi town, changdai town, matun town, the terminal ends at the intersection of ningluo expressway on the west side of rentun. the total length of the route is about 42.383 kilometers, of which the jiyuan border is 18.9 kilometers long and the mengjin border is 23.483 kilometers long. the entire line of the project adopts highway standard construction, and the design speed is 100 km/h.
this project has 3 toll stations and 2 service areas. they are xiaolangdi north toll station (including maintenance work area and road administration office), xiaolangdi south toll station, mengjin west toll station, jiyuan west service area, and mengjin service area. the total construction area is 23466.58 square meters. the planned construction period is 33 months, of which the construction period is planned to be 270 calendar days, from december 10, 2019 to september 5, 2020, and the defect liability period is 24 months.