预计建设工期3年 京昆高速合蒲段改扩建工程开工

Core Points - The construction of the expansion project for the Jingkun Expressway from Heyang to Pucheng officially commenced on September 5 [1] - The project spans approximately 76.868 kilometers across the core area of Weibei in Shaanxi, covering the counties of Heyang, Chengcheng, and Pucheng [1] - The expressway will be built to a dual eight-lane standard with a design speed of 120 kilometers per hour, with an expected construction period of three years [1]