Well, the transportation I use often is the bus, but I think the best transportation for me is the subway. Bus is a common transportation, but it consume a lot of time because of its long bus time and easy traffic jams. On the other hand, airplane is less time consuming but very expensive. In addition, it can be difficult to use because it is a mode of transportation that is heavily influenced by the weather and operates only in special places called airports. The subway is a means of transportation that adds to the best advantages of bus and airplane. The dispatch time is short, the fare is reasonable, and I can keep the appointment. And because it is an underground transportation, it is not affected by the weather. That's why the subway seems to be the best mode of transportation for me.