CASS® CEN System

The CASS® CEN System assists in redirecting errant vehicles that could otherwise traverse the median of a roadway. The post employs a unique wave-shaped slot, which works in tandem with a strategically positioned,  widened cable spread designed to help restrain various types of vehicles that impact the system within NCHRP Report 350 and EN 1317 crash test standards.

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


The slot and post are designed to help lower deflections as shown in crash tests by minimizing the length of unsupported cables. CASS® CEN System is tested to NCHRP Report 350 Test Level 3, EN 1317-2, Class N2, H1, H2, L1 and L2. It is CE marked to EN 1317-5.

Assembly & Maintenance

  • Posts can be driven, placed in driven steel sleeves, or placed in steel sleeves set in concrete footings.
  • Pre-stretched and tensioned cables require once yearly maintenance.*


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


  • Pre-stretched (recommended) or Standard Cables: 3/4″ (19 mm) diameter
  • C-Shaped Cable Post 2″ x 4″ x 8 ga (50 mm x 100 mm x 4 mm)
  • Post Spacing: 6’ 6″ (2 m) to 16’ 5″ (5 m)

Product Images

Product Documents

PI Sheet (coming soon)

CASS® CEN System

Manuals (coming soon)

CASS® CEN System Product Description Assembly Manual