Chongqing Rail Transit
…well as nearby suburbs. CRT consists of 12 heavy rail metro lines: 1, 4, 5, 6, 9, 10, 18, the Loop line, Jiangtiao line, and Bitong line, while Lines 2 and 3 are high-capacity heavy monorails. As of April 2026, 5 new metro lines (7, 15, 17, 24, 27) and 4 extensions are under construction with a combined…