In this May 23, 2014 file photo, traffic moves on the Interstate 495, the Capital Beltway, in Hyattsville, Md., outside Washington. The Centers for Disease Control and Prevention released its latest drowsy driving report on Thursday, July 3, 2014. According to a new survey, about 1 in 25 adults say they recently fell asleep while driving. (AP Photo/Carolyn Kaster, File)
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