In recent years,traffic congestion has been increasing in many countries, causing some public controversy.Although some people argue that the best way to deal with this problem is building and widening roads,I still believe that government investment in constructing more railroad and subway would be more effective.
On the one hand, there are a number of reasons why building more roads can alleviate road congestion. First, since personal incomes have been greatly improved,especially in urban areas, more and more people can buy personal vehicles such as cars, motorbikes. Second, there is growing volume of traffic not only in cities but also countrysides. Consequently,in order to adapt to the increase in the number of vehicles,constructing more new roads is imperative.In fact, it is not easy to build new roads as land is rarely available to enable the construction.
On the other hand, it is more effective to build more rail and subway lines. It is clear that nowadays many people travel to work from the suburbs to center cities. By building trains and subway systems in suburban areas, citizens in these areas would give up their personal vehicles like cars as the train is faster and more convenient. This is also easier in the urban areas, given it was built underground. In Japan,for instance, build more subway systems to reduce traffic congestion and reduce road construction area.
In conclusion, I believe that governments should prioritize investing in railway and metro lines rather than building more and widening roads. Administrations around the world should encourage citizens using public transports to reduce traffic congestion.
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