Cities with worst traffic congestion

Published On: Feb 05 2013 09:39:32 AM CST   Updated On: Mar 07 2014 03:46:06 AM CST

Find out which cities have the worst traffic in the U.S., according to an annual traffic index compiled by navigation system maker TomTom.

Congested cities - Seattle
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3. Seattle

Average evening congestion level: 74 percent

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