According to the Chongqing Transportation Development and Investment Group, in 2022, Chongqing Rail Transit will speed up and increase efficiency, and strive to open the second phase of Line 4, the Jiang Jump Line, the second phase of Line 9, the northern extension of Line 5, and the second phase of Line 10, liyuchi to Nanbin, with a total of 83 kilometers, and the mileage of operation will exceed 500 kilometers.

Source: Hualong