Today, the development of technologies and techniques to bring many of the big problems that we can solve difficult in a short time, one of which is traffic. We always find news related to it every day on the mass media and they become increasingly serious than we had expected. To begin, we have to mention the problem of traffic jams. They are caused by excessive transportation on the road during peak hours. Typically, the majority of people living in the suburbs and work in the city center, so they tend to move in the same time of day. Moreover, the quality of poor infrastructure also makes this problem worse, especially the developing countries. For example, too many roads are under construction or repair progress can be made to move more vehicles on the road. As a result, this causes overloading them. Next, there is the problem of environmental pollution. The fact is, the number of vehicles is increasing dramatically in big cities, so the control of emissions discharged from them is a very difficult thing. Because we live in the era of industrialization, so the issue of economic development is a top priority. Therefore, these resources are fully exploited to serve many different purposes, including fuel for vehicles. This prevents the efforts of the authorities in protecting the environment. Finally, human health is a matter of utmost concern. These vehicles are the source of some respiratory diseases and nervous. In particular, the risk that the disease increasing with no sign of stopping. We always have to face them on the roads, and the disease is inevitable. After all, we have to find a reasonable solution and effective way to solve these problems. First, the government should focus more on improving the quality of roads and open more new routes to reduce congestion in densely populated areas.
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