If a sign prohibits the use of a moped on a freeway: 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 If a sign prohibits the use of a moped on a freeway: Answers Mopeds cannot be used on the freeway. Mopeds can only be used on the freeway when traffic is moving smoothly. Mopeds can be used on the freeway if they are not operated at speeds faster than 25 mph. Explanation It is illegal to operate a motor-driven cycle or moped on a freeway or expressway if signs are posted prohibiting their operation. This questions appears in the following tests: California Motorcycle Practice Test 4 California Motorcycle Practice Test 28 Wisconsin Motorcycle Practice Test 37