I was told that in USA there are kind of ramps on highways, which can help drivers in situation when their car's brakes break. Thus if my brakes suddenly break, I turn off the road and drive on this ramp (skateboard-like half-pipe) and roll from side to side till I stop. Is it true?
closed as off topic by Sklivvz♦ Sep 14 '12 at 11:47
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In particularly hilly areas there are things called runaway truck ramps. They are usually just an uphill gravel area at the bottom of a hill.