This sign is a: 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 This sign is a: Answers Service sign. Regulatory sign. Warning sign. Stop sign. Explanation Warning signs are usually diamond-shaped and yellow with black lettering or symbols. They warn drivers about special situations or potential hazards ahead. This questions appears in the following tests: Wisconsin Motorcycle Practice Test 7