The crash test Safety Barrier. It consists of a sturdy steel tube, between which the plastic. Pri accident this barrier bend, taking the share of the impact force, and without causing great damage to the vehicle. And due to twisting rollers car firstly loses its inertia, and secondly, changing the trajectory of accidental movement always turned sideways to the bump stop and return the car to the road . Moreover, it causes much less damage to the vehicle, without bending the cab and does not allow the vehicle to roll over.