Evaluation Of A Non Proprietary High Tension Four Cable Median Barrier On Level Terrain PDF Download

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Mash Test Nos. 3-11 and 3-10 on a Non-proprietary Cable Median Barrier

Mash Test Nos. 3-11 and 3-10 on a Non-proprietary Cable Median Barrier
Author: Justine E. Kohtz
Publisher:
Total Pages: 0
Release: 2016
Genre: Roads
ISBN:

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"The Midwest States Pooled Fund has been developing a new non-proprietary cable median barrier. This new system incorporates four evenly spaced cables, Midwest Weak Posts spaced 8 to 16 ft (2.4 to 4.9 m) intervals, and a bolted, tabbed bracket to attach the cables to each post. Full-scale crash testing was needed evaluate the barrier's safety performance. According to the Manual for Assessing Safety Hardware (MASH) updated/proposed testing matrix for cable barriers installed within a 6H:1 V or median ditch, a series of eight full-scale tests are required to evaluate the safety performance of a system. A ninth test is required to establish the working width for system with variable post spacing" (page i).


High Tension Cable Median Barrier Safety Effectiveness Evaluation

High Tension Cable Median Barrier Safety Effectiveness Evaluation
Author: Richard Storm
Publisher:
Total Pages: 0
Release: 2022
Genre: Roads
ISBN:

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The objective of this study was to evaluate the change in crash frequency or severity of varying lateral offset distances of high-tension cable median barriers in Minnesota. Crash and traffic data from 2016 to present were conjoined with roadway cross-sectional data and high-tension cable barrier locations to perform cross-sectional analyses for interstate segments equal to or greater than 0.05-miles long. Negative binomial regression models were estimated and used to develop crash modification factors (CMFs) for the following crash types: total crashes, target crashes, and barrier crashes. In addition to evaluating the impact of lateral offset, a naïve before-after evaluation was completed to quantify the impact of installing high-tension cable barrier.


Guidance for the Selection, Use, and Maintenance of Cable Barrier Systems

Guidance for the Selection, Use, and Maintenance of Cable Barrier Systems
Author:
Publisher:
Total Pages: 148
Release: 2012
Genre: Roads
ISBN: 9780309258425

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This report provides guidance for the selection, use, and maintenance of cable barrier systems. While cable barrier systems have been in use for more than 70 years, their use has been on the rise and is expected to continue in the future. The increase in use of cable barrier systems has been attributed to the success rate in keeping vehicles from crossing the median, reducing roadway departures, and decreasing impact severity. Due to advancements in cable barrier system technology, installation and repair costs are lower and cable barrier use has increased in varying roadway environments. Safety studies, although limited, have shown that cable barriers help reduce those median cross-over collisions that lead to some of the most severe head-on type crashes. This document will be of particular interest to design, maintenance, traffic, and safety engineering professionals.