QuadGuard® High Speed (HS)

The QuadGuard® High Speed (HS) system is a redirective, non-gating crash cushion that consists of three space frames, six standard diaphragms, and crushable energy absorbing cartridges, all surrounded by a framework of steel Quad-Beam™ panels. The system is tested to NCHRP Report 350 Test Level 3.  The QuadGuard® HS can be used to shield fixed objects 24”, 30”, and 36” wide.

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  • Flex-belt nose.
  • Replaceable, energy absorbing cartridges.
  • Lightweight space-frame diaphragms in the first three bays.
  • High strength Quad-Beam™ panels.
  • Does not use anchoring chains or tension cables.
  • Custom connections available.
  • Compact, modular design tested to 70 mph (113 km/h).


The QuadGuard® HS, as a member of the QuadGuard® family of crash cushions, consists of many of the same components as the QuadGuard.

Assembly & Maintenance

  • Interchangeable components help reduce repair costs.
  • Anchorage options include both asphalt and concrete.
  • Major components are potentially reusable after an impact within NCHRP Report 350 crash test standards.*


Back-Up Structure and Attachments

  • Simplified backups – Tension strut or concrete
  • Bridge pier(s) and parapet(s)
  • Concrete gores
  • Temporary and permanent concrete barrier(s)
  • Thrie-beam end sections
  • W-beam end sections


*After an impact, the product must be inspected and evaluated per the direction of the specifying roadway authority. The ultimate decision on reusability rests with the specifying roadway authority and/or state DOT.




Nine-Bay Unit

(Available in widths of 24″, 30″ & 36″)

  • 3,700 lbs. (1,678 kg)
  • Length: 30′ (9,144 mm)
  • Shields fixed objects up to 36″ in Width

Product Images

Product Documents

PI Sheet

QuadGuard® High Speed (HS)


QuadGuard®HS Assembly Manual
QuadGuard®HS Product Description Manual