A disturbing new study from the roads as traffic deaths in the U.S. surged last year.
There were about 36,000 deadly crashes last year.
That's up from the nearly 35,000 in 2011.
It's the first time in seven years traffic deaths have gone up.
Officials believe the improving economy and mild winters could be why more people are driving.
WTTG FOX 5 & myfoxdc
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