Question If a person commits two serious traffic violations within a three-year period, they will: Answers Lose their CDL for at least one week. Lose their CDL for at least 30 days. Lose their CDL for at least 60 days. Lose their CDL for at least two years. Explanation If, within a three-year period, a person commits two serious traffic violations involving a CMV, they will lose their CDL for at least 60 days. Take a FREE Practice Test Now