This study found that the drivers who seriously violate traffic rules is minority,but they are the main threat to traffic safety.According to the data of the traffic violation in Guiyang from 2010 to 2012.,the informed driver of violation than 12 points accounted for about 0.86%.From illegal degree,the highest proportion is class C license drivers,followed by Class A,and Class B.The drivers of traffic violation are predominantly male,only 4.5% are women.The most traffic violation drivers' age are between 20 and 50,the highest proportion group is from 30 to 40 years old.
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