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<DIV STYLE="text-align:Left;"><DIV><P><SPAN><rpOrgName>A railing that serves as a protective barrier. Guardrails prevent vehicles from veering off the roadway into oncoming traffic, crashing against solid objects or falling into a ravine. A secondary objective is keeping the vehicle upright while deflected along the guardrail. The problem with this is that a guardrail of the optimum height for a car might not keep a truck from toppling over it, while a motorbike might slip under a higher rail.</rpOrgName></SPAN></P></DIV></DIV> |