Commencement time：1999-11-1

Completion time：2001-5-30

Introduction：The starting point K71+000 of the route in this contract is located in Xiatutai Village of Gaokan Town, and the terminal point K79+455.36 is located in Qiankanzi Village of Huzhuang Town. The total length is 8.455km, and the main structures include a large bridge and two medium bridges. There is a Dashi Bridge hub interchange at the terminal point, and the interchange serving for Dashi Bridge City has the single horn shape. Dashi Bridge hub interchange is the control point of the whole project, and the subgrade is the filling subgrade. It has the four-lane standard with width of 26m. The small bridge, culvert and subgrade are the same, and the width of the large and the medium bridges is 25.5m.