Trailer underride guards vs. aero skirts: Potential to save lives

Study finds reinforced guards instead of aero side skirts could stop roof-crush, decapitation in collisions with passenger cars

Underride guards on the sides of semi-trailers rather than aero side skirts can effectively prevent decapitation and other roof-shear/ crush injuries in a T-bone-type collision with a passenger car, a new study has found.

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Source:: http://fleetowner.com/safety/trailer-underride-guards-vs-aero-skirts-potential-save-lives