Traffic jam: The 10 most congested cities in America

5. San Francisco

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    Traffic crawls along the Golden Gate Bridge in San Francisco, Calif., in September 2009.
    Eric Risberg/AP/FILE
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Yearly delay: 49 hours

Cost per driver: $1,112

In 1982, congestion cost the average US commuter an extra $351 in fuel and time, adjusted for inflation. In 2009, that number was $808. The average San Francisco driver lost about 39 gallons of fuel due to congestion.

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