The maximum legal length of a trailer in a combination is: 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 The maximum legal length of a trailer in a combination is: Answers 34 feet. 40 feet. 53 feet. Explanation In Washington State, a single vehicle or trailer in a combination, with or without a load, may not exceed 53 feet in length.
