spin tubes / car accident buffer

Some driver had an accident because of losing distinguision between road and sidewalk.
And when a car hit a road lamp , the shock will seriously damaged to driver directly.
Spin tubes can prevent driver from this kind of accident , and serve as a buffer of car accident. There are 3 functions. First, There are solar cells outside of the tubes there are led lamps inside of the tubes. So, these led lamps can be charged by the solar cells. Second,At night , this chared led lamps can protect an accident and distinguish between road and sidewalk. last, Spin tubes decrease the shock when a car had head-on collision through the damage of Spin tube