In Illinois, what is the weight limit for a single axle? Do you currently have motorcycle 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 Illinois, what is the weight limit for a single axle? Answers 5,000 pounds 10,000 pounds 15,000 pounds 20,000 pounds Explanation The weight of vehicles is limited to 20,000 pounds on a single axle when operated on state and local streets and highways.