👉 roadhead is a type of vehicle used in the United States and Canada for transporting small livestock. It typically has two or four wheels, is designed to be towed behind an animal trailer, and is equipped with a trailer hitch that allows it to be towed by trucks or other vehicles. The term "roadhead" was originally used to describe a type of vehicle in the United States during the 19th century, but it has since been replaced with the more common term "trooper