Motorcycles pulling trailers: Question Motorcycles pulling trailers: Answers Are not allowed in carpool lanes. Can travel in any lane on a highway. Must travel no faster than 25 mph. Explanation In California, motorcycles towing trailers are not allowed to travel in carpool lanes. They should usually remain in the right lane of a roadway, except to pass. When towing a trailer with a motorcycle, do not travel at speeds above 55 mph. This questions appears in the following tests: California Motorcycle Practice Test 13