Clearly, a higher-rated product will withstand a more severe impact. Furthermore, a 13,000-pound impact-rated guard rail has a lower deflection rate than a 10,000-pound impact-rated guard rail.

Side guard rails require stiffer trailers that can develop cracks in their frames, which presents another safety risk, ATA spokesman Sean McNally said.

Business Nation Nation & World Truck guard rails could prevent deaths, says safety group Originally published May 9, 2017 at 9:07 pm Updated May 10, 2017 at 8:12 am ...

You probably never think about guard rails, until you need one to keep from going off the road. Little pain for little gain with I-5 Tacoma construction There is actually a lot of engineering that ...

After another crash where a car winds up in Brush Creek, a woman who says she's seen too many of these wrecks and wants the city to put up guard rails. Updated: 9:13 PM CST Dec 8, 2015 KMBC 9 News ...