The main line surface of the expansion project of the Jingkun Expressway Guo Mian section has passed inspection.

On August 7th, with the completion of the final section of asphalt pavement, the mainline pavement of the Ganshan expansion project of the Jingkun Expressway, constructed by China Railway No. 5 Engineering Group, successfully connected over a length of 63.879 kilometers, marking the halfway point of the mainline pavement. The Ganshan Expressway expansion project spans approximately 124 kilometers and is a key section of the national "Ten Vertical and Ten Horizontal" comprehensive transportation corridor, specifically the capital radiating line G5 Jingkun Expressway, serving as the core passage for Sichuan Province heading north out of the province.