A diamond-shaped sign: 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 A diamond-shaped sign: Answers Alerts riders to school zones. Alerts riders to public recreation areas. Warns of existing or possible hazards. Explanation Diamond-shaped signs warn road users about existing or potential hazards. You will usually see these signs in yellow or orange.
