[...]At 98 km (61 mi),
[3] the system's two monorail lines form the world's largest monorail network,
[4] with the 55.5 km (34.5 mi)
Line 3 being the world's longest single monorail line, even if the 9.97 km (6.20 mi) Jurenba branch line is excluded.
[5][6] The system is also the world's busiest monorail system with 94 million and 250 million annual rides on Line 2 and 3 respectively in 2015.
[7] Line 3 is the world's busiest single monorail line. The network also boosts the world's highest metro-only bridge, the Caijia Rail Transit Bridge on Line 6, spanning a valley with the bridge deck approximately 100 meters above water level.
[8] The Chongqing Metro is also constructing the world's longest metro-only suspension bridge, the Egongyan Transit Bridge. The bridge will carry Line 0 trains across a 600m long main section spanning the
Yangtze River. The total length of the bridge is 1,650 meters long.
[9]
[...]