Do you currently have motorcycle 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 This yellow sign means: Answers Controlled railroad ahead. Be prepared to stop if the light is flashing. There is a traffic signal ahead. Explanation A yellow sign with a traffic signal pictured indicates that there is a traffic signal is ahead. Be prepared to respond to the upcoming traffic signal. Take a FREE Practice Test Now This questions appears in the following tests: California Practice Test