1. Subway: it plays a major role in transport system. It is like a parameter which shows the economic development of a city. It is affordable, peaceful, and fast, and eco-friendly. More importantly, it is free from any kind of traffic, so it can connect distances fast.
2. Buses: it is also a popular mode of transportation because of its efficiency, convenience and low cost. Also it is driven by professional drivers, so it comparatively safer. It is one part of public transport, therefore, it also more friendly to the environment than private cars as it brings less pollutants released in to air. Also, one does not need to worry about parking. For people who cannot drive, bus is an imperative way of traveling.
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