A CMV driver operating a passenger bus: 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 A CMV driver operating a passenger bus: Answers Is exempt from federal medical standards. Is required to abide by federal medical standards, but only if operating a school bus. Must abide by federal medical standards. Explanation Drivers with a passenger endorsement are not exempt from federal medical standards.