The paper deals with the control device for a uniaxial trailer. which makes it possible to increase the maneuverability and reliability of the movement of a low-tonnage roadtrain by using flexible coupling in the hitch mechanism. This makes it possible to use roadtrain at emergency situations. in narrow urban streets. https://www.diegojavierfares.com/save-big-Mango-Veranda-174-Rose-deal-day/