The QuadGuard® is a redirective, non-gating crash cushion that consists of crushable, energy absorbing cartridges surrounded by a framework of steel Quad-Beam™ panels. The system is tested to NCHRP Report 350 Test Level 1, Test Level 2, and Test Level 3. It can be used to shield fixed objects of 2′ to 10′-6″ wide (610 mm to 3,200 mm) while using less than 22′ in length. Higher speed QuadGuard® crash cushion units are available.

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  • Replaceable, energy absorbing cartridges.
  • Self-supporting plastic nose.
  • High strength Quad-Beam™ panels.
  • Does not use anchoring chains or tension cables.
  • Custom connections available.
  • Systems available for various lengths, widths, and speeds.
  • Compact, modular design (one to twelve bays) tested to speeds from 25 mph (40 km/h) to 75 mph (120 km/h).

Assembly & Maintenance

  • Damaged cartridges are replaceable.
  • Anchorage options include asphalt, concrete, and soil-drive pile.
  • Potentially reusable after an impact within NCHRP Report 350 crash test standards.*


Back-up Structure and Attachment

  • Simplified backups – Tension strut or concrete
  • Bridge pier(s) and parapet(s)
  • Square block(s)
  • Temporary and permanent concrete barrier(s)
  • W-Beam
  • Thrie-Beam


*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.


Typical Six-Bay Unit

  • 2,255 lbs. (1,020 kg)
  • 21′ Long (6.4 m)
  • 2′ (610 mm) min., 126″ (3.2 m) Max. Width at Backup Structure
  • Custom widths available


Product Images

Product Documents

PI Sheet



QuadGuard® Assembly Manual
QuadGuard® Product Description Manual
Concrete Foundations Product Specifications