Traffic jam

On the one hand, constructing or widening roads can also help to resolve the issue of traffic congestion. Not all countries in the world have enough funds to build trains, particularly in developing countries. In Vietnam, for example, due to tight government budget, authorities are more likely to choose to widen roads to meet the growing number of vehicles on the roads. This is probably because they have to spend government funding on other key fields such as education and health care. If this was the case, this will undoubtedly be the most effective way to tackle the problem of traffic jam.