The verdict is cold in the back. The annual report of the Institute of Transportation at the University of Texas concludes that, in the United States, traffic jams in 2003 cost a whopping $ 63 billion in wasted time and overconsumption.

Each American who circulates at rush hour loses on average 47 hours per year in traffic jams, against 16 hours in 1982. And during this time 8,7 billion liters of fuel were burned, that is to say 20 million tons of carbon dioxide released in the atmosphere wasted. That is to say a third of emissions from private vehicles in France.

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