Placards must be placed: 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 Placards must be placed: Answers In any manner, as long as they are visible. So words and numbers are read from left to right. Upside down. Within three inches of other markings. Explanation Hazardous materials placards must be positioned so any words or numbers can be read from left to right. They must be at least three inches away from any other markings. This questions appears in the following tests: Colorado Tank District Of Columbia HazMat Florida HazMat Georgia HazMat Indiana HazMat Indiana HazMat Indiana Tank Nebraska HazMat Pennsylvania Tank South Carolina HazMat West Virginia HazMat