End Treatments for Deep Beam Highway Guardrail

by Walter P. Humble, Syro Steel Co, Girard, OH, USA,
Leonard C. Meczkowski, Syro Steel Co, Girard, OH, USA,

Document Type: Proceeding Paper

Part of: Effectiveness of Highway Safety Improvements


End treatments on highway guardrail serve two functions: (1) to make the end safe in case of an impact there, and (2) to provide anchorage in case of an impact adjacent to the end. Two basic categories of end treatments have emerged. These are breakaway cable terminals (BCT) which have recently been improved by the addition of an Eccentric Loader, and, turned down ends, the most recent and successful of which is the controlled releasing terminal (CRT). The latest very promising entry into the field of safety end treatments is an energy absorbing terminal called the 'shredder,' which is intended to stop, rather than simply re-direct, an errant vehicle.

Subject Headings: Cables | Beams | Highways and roads | Guardrails | Case studies | Traffic accidents | Highway and road design | Safety

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