On January 4, 2026, the Bashancun Tunnel, the most difficult project to build a new Chongqing-Wanzhou high-speed railway, was completed safely and smoothly, marking a major breakthrough in the construction of the Yuwan High Speed Rail and laying a solid foundation for the scheduled opening of the entire line.

On January 4, 2026, the Bashancun Tunnel, the most difficult project to build a new Chongqing-Wanzhou high-speed railway, was completed safely and smoothly, marking a major breakthrough in the construction of the Yuwan High Speed Rail and laying a solid foundation for the scheduled opening of the entire line.