Traffic congestion was worse in the U.S. in 2011 according to a study

In 2011, American motorists have spent $ 5.5 billion more hours in their vehicles because of the urban road congestion.

According to a report published by the Institute of Transportation Texas A & M, so the Americans had to spend an hour each day has a displacement that would have taken 20 minutes had it not been for congestion. In 2011, this congestion has cost $ 121 billion to U.S. motorists, time and fuel.

The report determined that the ten urban agglomerations of the United States that have been most congested there two years were those of Washington, Los Angeles, San Francisco-Oakland, New York, Newark, Boston, Houston, Atlanta, Chicago, Philadelphia and Seattle.

The report of the Institute of Transportation Texas A & M is frequently used by analysts who seek to solve the problems of traffic, but the authors write that each community must put forward solutions that are specific to it.