movable bridges Bridges whose decks move to free up the transportation channel they cross, or that are built temporarily while awaiting a permanent structure.
road signs Objects such as signs, traffic lights and road markings, aimed at ensuring the safety of the road’s users and increasing traffic-flow efficiency.
tire Circular deformable unit made of rubber, mounted on the wheel and inflated with air, providing the connection between the car and the road, and absorbing the unevenness of the road.