Tag: Guardrail Safety


Mystery of a Highway Safety Device

ET-Plus, an energy-absorbing end unit for a highway guardrail. (Photo credit: Trinity Highway Products)

Though drivers hope they’ll never find out, those yellow-and-black devices on the end of guardrails are supposed to cushion the impact of a vehicle that veers off the road. But a legal dispute has erupted over whether a design change was properly evaluated,…