Do you currently have car insurance? Insurance is mandatory to drive in California Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question A red sign is: Answers Prohibitive. Encouraging. Regulatory. Explanation Red road signs are prohibitive. Red signs may tell drivers to stop, to yield, not to enter, or that they are traveling in the wrong direction. Take a FREE Practice Test Now This questions appears in the following tests: Maryland Practice Test