The first underwater rail transit tunnel project in China using "dual-mode intelligent shield technology" Chongqing's first urban rail transit cross-river tunnel project
The total length of this project is 51.829 kilometers, with a total investment of 35.6 billion yuan。
The project connects Bishan District, Shapingba District, Jiulongpo District, Yuzhong District, Nanan District, Banan District and Chongqing High-tech Zone, and is an important component of the fourth round of Chongqing construction planning line network。
