Texas Transportation Institute, College Station, Texas, released a report Monday that said traffic congestion continues to worsen, costing Americans $63.1 billion a year.
The 2005 Urban Mobility Report measures traffic congestion trends from 1982 to 2003, reflecting the most recent data available. If today's higher fuel prices are factored in, the cost jumps another $1.7 billion.
The study ranks areas according to several measurements, including:
* Annual delay per peak period (rush hour) traveler, which has grown from 16 hours to 47 hours since 1982
* Number of urban areas with more than 20 hours of annual delay per peak traveler, which has grown from only 5 in 1982 to 51 in 2003
* Total amount of delay, reaching 3.7 billion hours in 2003
* Wasted fuel, totaling 2.3 billion gallons lost to engines idling in traffic jams.
Among the cities where traffic has grown were Charleston, S.C.; New Haven, Conn.; Salt Lake City and Cincinnati, Ohio.

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