In general, the length limit for a combination of 2 vehicles 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 length limit for a combination of 2 vehicles and load is: Answers 10 feet 30 feet 65 feet 100 feet Explanation Under Wisconsin law, the length of a 2 vehicle combination, including the load, is generally limited to 65 feet. This questions appears in the following tests: Wisconsin Class A Knowledge Test