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The CASS® TL-4 cable barrier system assists in redirecting errant vehicles that would 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 crash test standards.
The slot and post are designed to help lower deflections as shown in crash tests by minimizing the length of unsupported cables. CASS® TL-4 is tested to NCHRP Report 350 Test Level 4.
*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.