Crash Cushion Tank Barrier is the world's first technology using impact-absorbing tank having superior dynamic stability and its damage rate is almost zero, in addition, simple process of maintenance and repair is available due to its simple structure of the parts. Our Cushion Tank System is equipped with a wire connection type with fixed rods installed at the front and rear end while the existing items, on the whole, are equipped with a rail-based type, so the existing caused a lot of trouble of having to redo installation job from the bottom when the rail is damaged.