Due to the rising of oil price and economic meltdown, driving quickly turns into the pastime for the rich. Most other people rush to subway or bus to get to school and work. However, spending time traveling on busy subway systems is never boring and embarrassing when it comes to top ten best public subway systems in the world.
Tokyo Metropolitan, Tokyo, Japan
Tokyo Metropolitan is the most used subway system in the world which serves almost eight million passengers a single day. The Tokyo Metropolitan stretches around 27,270 kilometers long. The most visible thing in the subway system is cleanliness; the area is virtually spotless of garbage. Secondly, Japanese train has good reputation of being on time and rare incidents of crime. Furthermore, the stations offer necessary markers so passengers will know where to stand directly in front of a subway door.

Tokyo Metropolitan, Tokyo, Japan

The Taipei MRT is ranked No.1 in the world for safety, reliability and quality. The subway is air-conditioned and equipped with LED screens with time of trains
Seoul Metropolitan Subway

Although the public transportation system in Seoul manages to carry 8 million travelers a day, it is quite user-friendly with Wi-Fi access, LED screens and announcements in both Korean and English

The New York Subway system, which is over 100 years old, is as famous as the Statue of Liberty. The local trains run 24-hours a day and every day of the year
U-Bahn

U-Bahn is the huge underground network which stretches along 132 kilometers of the city. The U-Bahn runs each two to five minutes even at rush hour

Moscow metro in Baroque architecture is named the oldest subway network and the second busiest system in the world which carries 7.5 million people a day
The Tube

London’s underground network, or the Tube, is the oldest and longest in the world. In 2007, the subway transported a recorded number of over one billion passengers
Paris Metropolitan

110-year-old Paris’ metro is the world’s largest underground station which serves over transports 4.5 million a day. Amazingly, you can enjoy a bistro for great wine and food while eating
Hong Kong MTR

Almost all travel in Hong Kong is done by public transport system. The Mass Transit Railway (MTR) transits about seven million passengers per day. The MTR has strong reputation for Octopus Card, safety record and cleanness
Copenhagen Metro

The Copenhagen Metro was constructed in 2002 and had a 98-99% reliability rate which provides a comfortable, dependable ride
Tokyo Metro Subway System: Best Public Transportation Systems in the World
Related links:
Most Impressive Subways in the World
World’s Ten Best Public Transportation Systems