喜欢哪种交通方式?说明理由（英文）

I like taking the subway, Because taking the subway has a lot of advantages not only for meself but also the environment.
First, it is fast and convenient for there is no heavy traffic and I can go to many places in a short time.
Second, subway causes no air pollution or noise pollution.
Third, subway makes a lot of contributions to sove the traffic problem in many big cities.