Sentryline Terminal End III – Non release terminal

The Sentryline Terminal End III has been tested to the guidelines in NCHRP 350 for a gating Test Level 3 terminal end.

Watch the installation video here

Request Information
STENDIIINonReleaseTerminal Connections
STENDIIINonReleaseTerminal Roadways


This new terminal is a non-releasing anchor design, designed for use with the Sentryline II NCHRP350 Wire Rope Safety Barrier System.

The Sentryline Terminal End III – Non release terminal comes with many components pre-assembled with quicker installation time over competitors.

When installed correctly, the system will allow an errant vehicle to over-ride or gate through the high tensioned anchor area of the terminal end.


  • Tested to NCHRP350 TL-3 (100kph) compliant 
  • AS/NZS 3845: 2015 compliant 
  • Low cost WRSB terminal anchor with minimal components
  • Point of need only 8m from ground anchor 
  • Exceptionally good vehicle behaviour 
  • Easily installed and low maintenance costs
  • Easily repaired after impact
  • Non releasing design after impact
  • Permitted for use in verge, median and gore areas


  • Length of need is from Post 5 (measured 8m from ground anchor)
  • Maximum flare rate: 30:1 over the entire length of the terminal end (offset from tangent)
  • Posts 1 – 7 are spaced at 1.5m (straight)
  • All steel components are hot dip galvanised
  • Posts: Hot dip galvanised & powder coated 
  • Cable: 19mm 3 x 7 strand pre stretched 
  • In ground concrete foundation: 2500L x 1000W x 1500D mm 
  • 7 x line post footings 300mm diameter x 750D mm 
  • 4 x safety check link ropes
  • Concrete: 25Mpa
  • Tensioned to 25kN at 20°C. (Tension may vary depending on air temperature at the time if installation, see chart in the installation guidelines*)

Standards and Approvals

  • Sentryline II Wire Rope Barrier Systems have been designed and tested to meet the evaluation criteria of NCHRP 350 Test Levels 3 and 4
  • AS/NZS 3845:2015 compliant.
    Approved for use by Australian State Road Authorities.

Installation Guide