Pennant-shaped signs indicate: 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 Pennant-shaped signs indicate: Answers School zones. Speed limits. Railroad crossings. No passing zones. Explanation Pennant-shaped signs usually indicate no passing zones. Text will also be on the sign to confirm that it is a no passing zone.