Crash cushion, a visual and physical passive cushion, provides buffer function to reduce to damage to the vehicle and its driver. Meanwhile, it acts as a direction corrector for redirecting the car by changing the car's exit angles and avoiding the car traversing the median of the road.

After being strictly tested, it is proved to meet the requirements of NCHRP 350, Test Levels 2 and 3. And it is perfect of hazard applications, such as highway roll station, road junctions, etc.