Largest Metro Systems You Want to Visit

Shanghai Metro

Opening in 1993 this is one of the fastest growing rapid transit systems in the world. Although it has only 285 stations it covers 264 miles of track which is more than any other metro system in the world. Shanghai Metro is only 6th where it comes to number of stations, but it has the longest length in the world – 538 km (334 mi)! Considering it only opened in 1993, this is truly an achievement!  Shanghai Metro is also one of the busiest systems in the world with over 2.5 billion riders each year