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.

Willis Tower Chicago
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Chris Davis/CNN

10. Chicago

The Windy City had an average evening congestion level of 59 percent.

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