"If the angle and speed are right, yes, your vehicle can come through these cable barriers,” Pierce said. “If you've seen multiple instances of vehicles breaking through these barriers, do you think we need to replace them with something concrete barriers, something that would be failsafe?' It's more of a catch 22. Anytime you've got a vehicle in motion if that vehicle is running 65 to 70, hits a concrete wall and makes a dead stop, unfortunately your body can't survive that either."