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Engineering Commons

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Transportation Engineering

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University of Kentucky

2017

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Full-Text Articles in Engineering

In-Service Evaluation Of High Tension Cable Barrier Systems, Brian K. Howell, Kenneth R. Agent, Jeff Jasper, William Nicholas Staats Apr 2017

In-Service Evaluation Of High Tension Cable Barrier Systems, Brian K. Howell, Kenneth R. Agent, Jeff Jasper, William Nicholas Staats

Kentucky Transportation Center Research Report

The Kentucky Transportation Cabinet has installed hundreds of miles of high-tension cable median barrier (CMB) as a safety innovation. The usage of CMB aids in the prevention of crossover crashes, where a vehicle departs the roadway on the left shoulder, crosses the median, and enters the opposing lane(s) of traffic. KYTC officials have questioned whether all three barrier products perform similarly. Some installed cable barrier systems have lost tension across the entire cable length after a single vehicle impact. If a second vehicle were to strike the cable barrier system in a location other than the damaged area of the …