Highway crash cushion and components thereof

Details Highway crash cushion and components thereof Highway crash cushion and components thereof

1995-11-13

1998-03-31

Lisehora, James

Road structure, process, or apparatus

Traffic steering device or barrier

256 131, E01F 1500

Patent

active

057330620

ABSTRACT:
A highway crash cushion includes a single, central, rigid, guide rail that guides the crash cushion in axial collapse. Diaphragm assemblies are each provided with recessed legs, and a central guide that slides along the rail while locking against the rail in a lateral collision. The diaphragm assemblies support fender panels that include four longitudinally extending ridges, a central slot, and a tapered trailing edge that reduces vehicle snagging. Energy absorbing elements are disposed between the diaphragm assemblies, and each includes an indicator that clearly indicates when the element has been compressed and possibly damaged.

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