A device for parking vehicles includes a platform a synchronization traction element on each side on the platform. One end of each traction element is fixed in a first region of the platform, and another end of each traction element is fixed in an opposite second region of the platform. Each traction element has a first part in the first region of the platform, a second part along the platform, and a third part in the second region of the platform. Each traction element is guided by a roller, and the rollers are connected by a synchronization shaft.