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 Highway and expressway guide signs are: Answers Orange with black letters. Green with white letters. Yellow with black letters. Red with white letters. Explanation Highway and expressway guide signs are green with white letters. Take a FREE Practice Test Now This questions appears in the following tests: Pennsylvania Practice Test