The CASS® TL-3 is a three cable, high tension cable barrier system used to prevent vehicles from crossing the median. The unique wave-shaped slot within each post helps absorb and redirect vehicles that travel off the road. It is NCHRP Report 350 Test Level 3 compliant and can be used on medians, shoulders and slopes as a roadside barrier.

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Features & Benefits

  • Aesthetically pleasing design
  • Cables aligned within the body of the post
  • Wave-shaped slot designed to help lower deflections
  • Three-cable, high-tension system tested to NCHRP TL3
  • Pre-stretched (recommended) or standard cable options


  • S3 X 5.7 lb. I-Beam
  • S4 x 7.7 lb. (S100 x 11.5) I-Beam
  • Steel yielding cable post (SYCP™):
  • Post spacing: 6’ 6″ (2 m) to 20′ (6.1 m)
  • Pre-stretched (recommended) or standard cables: 3/4″ (19 mm)
  • Cable heights: 20.9″ (530 mm), 25.2″ (640 mm), 29.5″ (750 mm)

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