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IIHS: Underride guards on semi trucks can fail even at low speeds

by Dan Roth (RSS feed) on Mar 2nd, 2011 at 11:20AM

A new study by the Insurance Institute for Highway Safety has found that underride guards on semi trailers are prone to failure. Despite major advances in passenger car safety since the mid-1970s, it seems the guards on tractor trailers still fail to reliably prevent vehicles from sliding under trailers in the event of a collision – a similar result to studies conducted over 30 years ago. Of course, some trailers are better than others, but there is no testing standard for evaluating the underride guards and their attachment points and hardware. Despite this, there is a federal... Read More

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