It is strong enough to withstand the impact of a tractor-trailer truck weighing 80,000 lb and flexible enough to safely redirect it. The Guardian 5 (G5) MASH TL-5 from Gregory Highway Products is the only steel longitudinal barrier on the market with those capabilities. What makes the G5 barriers stronger? They are constructed using fully galvanized, high-strength steel (80,000-lb minimum yield). The strength of its design features an integrated anchorage system located within the length of the barrier.
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