World's 10 Busiest Subways
Mexico City Metro, Mexico (Ranked 8):
The Mexico City Metro was first opened to public in 1969 with about 5 million daily commuters and 1.4 billion commuters annually. As of 2010, the system comprised 11 lines and 451 kilometer of passenger track. Ten of the lines are rubber-tired metro and instead of traditional steel wheels, they have rubber tires, which are quieter and cope better with Mexico City’s unstable soil. The metro has about 106 underground stations. The Mexico City Metro displays some of the archeological artifacts in some of the stations.
Hong Kong Metro, Hong Kong (Ranked 9):
Hong Kong, an important global financial center, opened it subway in 1979, with about 3.7 million commuters daily and 1.32 billion commuters annually. The system now has 155 stations with 211.6 kilometer of rail. The Hong Kong Metro trains are disabled- friendly, providing a wheelchair space and the stations have special floor tiles to guide the blinds safely on the platforms. 3G network facilities have also been provided in many stations so that the passengers stay connected underground.
Guangzhou Metro, China (Ranked 10):
Guangzhou is the third largest city in China and has a metro system which was opened in 1997, with about 6.7 million commuters daily and 1.18 billion commuters annually. Guangzhou Metro operates 144 stations and has 236 kilometer of tracks and is thus ranked 10th as the busiest subways in the world.
