Which of the following is not a serious traffic violation? Do you currently have car insurance? Insurance is mandatory to drive in Ohio Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question Which of the following is not a serious traffic violation? Answers Driving 15 mph or more above the posted speed limit Following a vehicle too closely Littering from a CMV Explanation In addition to other penalties, you may lose your license for committing serious traffic violations. Such violations include following other vehicles too closely and excessive speeding.