I'd say it's didn't necessarily fail, it was just a bad design. It consisted of steel posts in the ground, with stamped steel sections running horizontally. Gro

I'd say it's didn't necessarily fail, it was just a bad design. It consisted of steel posts in the ground, with stamped steel sections running horizontally. Grosjean's car got wedged in between two of the horizontal rails. It actually succeeded in stopping the 150 mph car from flying off into the desert. In comparison, a smooth concrete barrier would cause the car to just slide along it (hopefully).