Traffic jam: The 10 most congested cities in America

By , Staff Writer

4. Houston

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    Traffic moves along a freeway in Houston in this 2002 file photo. 'Green' cities like San Francisco have many green initiatives, but so far there's nothing to encourage residents of 'brown' cities, like Houston, to move there.
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Yearly delay: 58 hours

Cost per driver: $1,332

In 2009, 3.9 billion gallons of fuel were wasted in the United States, says the urban mobility report. That's about the same amount that flows through the Alaska Pipeline over 130 days.

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