03/18/2010 05:12 am ET Updated May 25, 2011

NYC sets gridlock alert days for 2009 holiday season

The most wonderful time of the year means something special to the New York City Department of Transportation: gridlock alert days.

The first red-alert traffic day was this past Friday, but there are eight more on the way before Christmas. The DOT "strongly advises commuters and visitors to use

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