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 Crossbuck signs indicate: Answers Railroad crossings. School zones. No passing zones. Explanation A crossbuck sign tells operators to yield to trains at a railroad crossing. Riders should not try to race a train. Take a FREE Practice Test Now This questions appears in the following tests: Georgia Practice Test