On December 15, 2022, the Development and Reform Commission of Hunan Province issued an official reply on the approval of the Guiyang Xintian Section of the Guidong Xintian (Ningyuan) Highway, with an estimated total investment of 9.39 billion yuan.

Project overview

The project starts from Chonglingjiang Town, Guiyang County, connects the proposed Guidong Xintian (Ningyuan) Expressway Guidong Guiyang Section, runs west through Dapingtang Town, Xintian County, the south side of Xintian County, Lixi Town, Ningyuan County, and ends at Qingshuiqiao Town, Ningyuan County. It connects the existing Erguang Expressway, with a total length of 57.7 kilometers. Five interchanges are set along the whole line, including Chongling River, Dapingtang, Xintian, Lixi and Qingshui Bridge. Necessary traffic engineering and facilities along the line shall be constructed simultaneously according to the specifications and relevant policies, and the construction period of the project is 3 years. Keywords: engineering news, engineering construction, engineering construction information

technical standard

The main line of the project is constructed according to the standard of four lane expressway, with a design speed of 120km/h and a subgrade width of 26.5m. The design vehicle load grade of bridge and culvert is highway - Grade I. Other technical indicators of the Project shall comply with the provisions of Technical Standards for Highway Engineering (JTGB01-2014). Editor/Zhao E