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By Beecher Tuttle
The exponential growth of the world's population – coupled with the ever-increasing reliance on automobiles and the deterioration of roads and highways – has turned traffic congestion into a major concern.
In fact, the Urban Mobility Report estimated in 2009 that the ramifications of traffic congestion cost Americans around $80 billion a year, not to mention the negative consequences for the environment. This number is expected to reach $150 billion by 2033, and the problem is even worse in more crowded countries like India and China.
Unfortunately, the sluggish economy has only worsened the issue, as many communities no longer have the resources to fix their infrastructure or modernize their public transit systems.
So what are communities to do?