QuadGuard High Speed

The QuadGuard High Speed® system is a re-directive, non-gating impact attenuator designed for high speed impacts and cushions at speeds up to 70 mph. The QuadGuard High Speed is the only crash cushion attenuator to be tested using NCHRP 350 criteria at 70mph (113km/h). This product consists of energy absorbing cartridges surrounded by a framework of steel Quad-Beam Panels® and lies on a monorail support structure that furthers the system’s strength with many of the attenuator system’s components being interchangeable with the Standard QuadGuard System.


  • Tested using NCHRP 350 criteria at 70 mph (113 km/h).
  • Shields Hazards up to 3'0" (914 mm) wide.
  • Majority of the components are interchangeable with standard QuadGuard System.
  • Provides 60-70% reusability after design impact.

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