Drivers must have a CDL if operating a vehicle designed to carry at least: 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 Drivers must have a CDL if operating a vehicle designed to carry at least: Answers Three passengers. 15 passengers. 44 passengers. Explanation You must have a commercial driver license to operate a vehicle designed to seat 16 or more people, including the driver. This questions appears in the following tests: Ohio Passenger Ohio Passenger