In general, the legal maximum width of a vehicle and load is: 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 In general, the legal maximum width of a vehicle and load is: Answers 5 feet 6 feet 8 feet 6 inches 12 feet Explanation In general, Wisconsin law limits the width of a vehicle (including its load) to no more than 8 feet, 6 inches. This questions appears in the following tests: Wisconsin Class B Knowledge Test