October twenty eighth，Construction of Xihe-Dangchang expressway officially started。The project is in Gansu Province.“Fourteen five”Major projects of comprehensive transportation development plan，The starting point is in Shixia Town, Xihe County.，With the junction interchange andG7011 10 days expressway connection，Passing through Bafeng Cliff、Qinggangling、Great bridge、Songlin、Thunder Dam、Beach Flat、White River、Han yuan、Nanyang，The terminal is located in Baiyangba Village, Linjiangpu, Dangchang County.，With the junction interchange andG75 Lanhai Expressway。Total length of line: 100.494 kilometers，Estimated total investment 189.79.9 billion yuan，The construction period is 4 years.，The operation period is 30 years。

Implementation of the project，To improve the regional road network structure in southern Gansu Province,，Enhance the radiation-driven function of the main channel of the national expressway，Speed up the construction of comprehensive three-dimensional transportation network in Longnan，Creating Red Tourism Routes、Promote the development of regional tourism，Promote economic development along the line，It is convenient for people to travel.，Enhancement of regional geological hazards、Disaster prevention and relief capabilities are of great significance.。

Lanzhou Daily