Regrooved tires: Before you start the test, please answer the question below regarding your insurance status. Without insurance you will not be able to drive in Ohio Do you currently have car insurance? Yes I have insurance. Great, you're all set! Click here if you still want to compare rates. No, I need insurance and I want to compare options. Question Regrooved tires: Answers Should not be used on any vehicle. Should not be used on the front of a bus. Should not be used on trucks hauling gravel. Explanation Regrooved, recapped, or retreaded tires are prohibited on the front wheels of a bus. This questions appears in the following tests: Alabama Class A Knowledge Test Idaho Class A Knowledge Test Idaho Tank Kentucky Class A Knowledge Test Michigan Class A Knowledge Test Michigan Tank Mississippi Class A Knowledge Test Nebraska Class B Knowledge Test New Hampshire Class A Knowledge Test North Carolina Class B Knowledge Test North Carolina Passenger Ohio Class A Knowledge Test Rhode Island Class A Knowledge Test South Dakota Class A Knowledge Test Tennessee Class A Knowledge Test Vermont Class A Knowledge Test Vermont Passenger