Opinions diverge greatly on how to tackle traffic congestion. Although constructing more railways and subway lines partly solves the problem, I would argue that the government should allocate their financial resources to widen roads. On the one hand, I understand why some people think that having more train and subway lines built could tackle congested roads. First, this mode of transportation would alleviate the current travelling overload because it decrease the increased number of daily travelers on main streets in either city centers or suburbs. There would be less people on street during rush hours because trains or subways are able to carry hundreds of passengers at the same time. Second, rail transportation systems are established separately from other systems or, sometimes, outside crowded city areas, and this relieves the density of passengers on public vehicles, hence reducing congestions caused by those means of transportation. On the other hand, I would...