caption: In top left box, a line chart depicting active barrier test results by maximum speed barrier type and maximum speed. Other diagrams show tests results for active barriers by vehicle weight stopped and speed. Sliding gate stopped 15,000 pound vehicle at 50 mph. Cable beam barrier stopped a 10,000 pound vehicle at 15 mph. Retractable barriers stopped a 15,000 pound vehicle at 30 mph. Portable barrier stopped a 15,000 pound vehicle at 40 mph, and drum-type barrier stopped 15,000 vehicle at 50 mph. Source: Military FM 5-114.
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