HySecurity Fortified Crash Barrier Arms are built to deter terrorism threats and to impede the flow of traffic, stop aggressors, and protect critical infrastructure assets. It is crash tested certification per ASTM F2656-07 giving an M30-P1 rating (k4-L3) rating which means it has the capability to stop a 15,000 LBS (6.8 metric tons) medium truck traveling at 30mph (48.3 km/h) and arrest the vehicle within 1 meter of penetrating the barrier arm.