Effectiveness of cable barriers, guardrails, and concrete barrier walls in reducing the risk of injury

Y Zou, AP Tarko, E Chen, MA Romero - Accident Analysis & Prevention, 2014 - Elsevier
Roadway departure crashes tend to be severe, especially when the roadside exposes the
occupants of errant vehicles to excessive injury hazards. As a cost-effective method when …

Barrier-relevant crash modification factors and average costs of crashes on arterial roads in Indiana

Y Zou, AP Tarko - Accident Analysis & Prevention, 2018 - Elsevier
The objective of this study was to develop crash modification factors (CMFs) and estimate
the average crash costs applicable to a wide range of road-barrier scenarios that involved …

An insight into the performance of road barriers− redistribution of barrier-relevant crashes

Y Zou, AP Tarko - Accident Analysis & Prevention, 2016 - Elsevier
Unlike most of traffic safety treatments that prevent crashes, road barriers reduce the severity
of crash outcomes by replacing crashes with a high risk of severe injury and fatality (such as …

Digesting the safety effectiveness of cable barrier systems by numbers

D Chimba, E Ruhazwe, S Allen, J Waters - Transportation Research Part A …, 2017 - Elsevier
This paper presents median cable barrier safety effectiveness by numbers as experienced
on Tennessee highways. Apart from descriptive statistics and parametric tests, before and …

Median barrier crash severity: Some new insights

W Hu, ET Donnell - Accident Analysis & Prevention, 2010 - Elsevier
Median barrier is used to prevent cross-median crashes on divided highways. Although it is
well documented that crash frequencies increase after installing median barrier, little is …

[HTML][HTML] Investigating the relationship between crash severity, traffic barrier type, and vehicle type in crashes involving traffic barrier

AM Molan, M Rezapour, K Ksaibati - Journal of traffic and transportation …, 2020 - Elsevier
Roadside safety is one of the important components of highway systems due to its
considerable rate of high-severity crashes. Traffic barriers play a key role in reducing the …

Examining crash injury severity and barrier-hit outcomes from cable barriers and strong-post guardrails on Alabama's interstate highways

M Hosseinpour, K Haleem - Journal of safety research, 2021 - Elsevier
Introduction: This study investigates the impact of several risk factors (ie, roadway, driver,
vehicle, environmental, and barrier-specific characteristics) on the injury severity resulting …

A comparison of freeway median crash frequency, severity, and barrier strike outcomes by median barrier type

BJ Russo, PT Savolainen - Accident Analysis & Prevention, 2018 - Elsevier
Median-crossover crashes are among the most hazardous events that can occur on
freeways, often resulting in severe or fatal injuries. The primary countermeasure to reduce …

Three-strand cable median barrier in North Carolina: in-service evaluation

WW Hunter, J Richard Stewart… - Transportation …, 2001 - journals.sagepub.com
By using historical crash data, several regression-type models were developed with which to
estimate the effects of the installation of cable median barrier on crash rates for several …

Effect of guardrail on reducing fatal and severe injuries on freeways: Real-world crash data analysis and performance assessment

N Li, BB Park, JH Lambert - Journal of Transportation Safety & …, 2018 - Taylor & Francis
Although guardrail systems are designed to reduce crash impacts for errant vehicles, the
actual effects of in-service guardrail on reducing crash severity have been rarely validated …