The metro system has 13 lines. They are Line 1, Line 2, Line 3, Line 4, Line 5, Line 6, Line 7, Line 8, Line 9, Line 13, Line 14, Guangfo Line, and the Zhujiang New Town APM. All of these lines connect the urban core and the suburbs. The Guangfo Line connects Guangzhou and Foshan. Over seven million people ride the metro everyday and it was used 2.56 billion times. This makes the metro the fourth busiest metro in the world.