Examining the direct effect of the use of traffic safety technologies in Abu Dhabi highways on other traffic safety dimensions
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Abstracthis paper presents the findings of a study, implemented in Abu Dhabi, which aimed to examine the direct effects of the use of traffic safety technologies on the mitigation of risks associated with traffic accidents. The study adopted the use of a questionnaire-based survey with traffic safety experts in Abu Dhabi Emirate. The views of more than a hundred respondents were collected on areas such as the status of existing traffic safety technologies in Abu Dhabi’s highway network, the impact of traffic safety technologies on enforcement, existing highway design practices, effects of driver education on safety and the impact of safety technologies on the efficiency of emergency responses. Factor analysis and Freidman tests were employed for the interrogation of the data in order to extract findings from the views of different experts on the aforementioned areas. The analysis showed that the deployment of traffic safety technologies has a positive impact on the efficiency of enforcement practices and improvements on traffic safety, and on enhancing operators’ efficiency and capability in taking appropriate and prompt action in situations calling for emergency responses. Moreover, speed cameras and VMS deployment are highly favoured in addressing engineering design shortfalls. Also, training and awareness enhance the efficiency and effectiveness of traffic safety technologies.
CitationAl Junaibi, MM., Panos, G., and Mushatat, S. 'Examining the Direct Effect of the Use of Traffic Safety Technologies in Abu Dhabi Highways on Other Traffic Safety Dimensions,' Journal of Traffic and Logistics Engineering, (5) 1 pp. 1-9 doi: 10.18178/jtle.5.1.1-9
JournalJournal of Traffic and Logistics Engineering
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A FRAMEWORK FOR THE DEPLOYMENT OF TRAFFIC SAFETY TECHNOLOGIES IN ABU DHABI HIGHWAYSAl Junaibi, Musallem (2016-05)There has been a good effort made in Abu Dhabi for the last couple of years between government stakeholders to develop a road safety strategy, define rules and responsibilities, and gain a fully coordinated and integrated framework to deal with road safety. According to my point of view, the challenges that might be seen as a problem for the future development of Abu Dhabi can be the management and the usage of traffic safety technologies to reduce serious road traffic accidents. This study focused on the relationship between the use of traffic safety technologies and serious road traffic accidents on Abu Dhabi Highways. The motivation for this research is to implement correctly the traffic safety technologies in Abu Dhabi highways as a part of the need to adopt plans, programmes, and preventive measures to reduce or prevent the occurrence of traffic accidents in order to ensure the safety of individuals and property, in addition to preserving the security of the state and its human and economic components. The overall approach to this study is a mixed methodology, which combines quantitative and qualitative methods. A questionnaire is one method used in this regard, and is designed to be quantitative. In the quantitative method, comparing statistics of fatalities and injuries before and after installation of the speed cameras is used. As a result of this study and by making the connectivity between reviewing the results and findings of the literature review, identifying the questionnaire results, and exploring the before and after statistics led to findings which were used to develop a decision support framework that can be used to advise the regional safety strategy to be sustainable. The design framework was also validated through Abu Dhabi highways by a panel of experts, which was carried out using the focus group method, which was qualitative in nature. It is recommended from this research to invest much in traffic safety technologies, focus more on driver support systems and rapid response systems, improve driver behaviour as a priority in Abu Dhabi highways using traffic safety technologies, and integrate the compatibility of all of the above through an integrated system and specific performance indicators that are measured and followed up on an ongoing basis, and supported by geographic information systems (GIS).
Influence of vehicular traffic on a major trunk road on rural air quality in UKObara, Paul G.; Obara, Chizi E.; Roberts, Clive L.; Young, Christopher; Williams, Craig D. (Elsevier, 2011)Although poor air quality has long been linked to urban areas, it is seemingly apparent that many rural areas have locations where air quality strategy objectives may be threatened in the wake of increasing vehicular traffic. This study examined the contributions of traffic towards air quality status by conducting monthly assessment of rural air quality along the A49 trunk road. The aim is to observe differences in main pollutant concentrations depending on the distance from the road. Monthly data of particulate deposits were monitored at roadsides, 50 m and 100 m distance in proximity to the A49 trunk road over a 22-month period (June 2008–Apr 2010). Direct analysis by SEM-EDS, ICP-MS, PTrak and XRF revealed a seasonal, intra-and inter-site variations and a distance–decay relationship. However, at some locations with increased vehicular activities, this relationship was altered.
Validating the correlation of traffic-associated hydrocarbon and nitrogen dioxide with distance from a trunk road within a rural environment in UKObara, Paul G.; Roberts, CLive L.; Young, Christopher; Williams, Craig D. (Elsevier, 2011)This study monitored traffic-associated air pollutants at four sampling sites within the A49 trunk road. Measurements of the gaseous air pollutants were carried out at various distances (roadside, 50m, and 100m) from the A49 trunk road using short term tubes at breathing heights. Data was collected over a 23-month period (June 2008–April 2010). Statistical analyses of hydrocarbon (HC) and nitrogen dioxide (NO2) show positive r2 and p-values, and suggest seasonal, intra- and inter-site variations in a distance–decay relationship. Higher mean concentrations were obtained within the winter season and near the roadside with a gradual decline with distance from the emission source. However, at some locations with increased vehicular activities, this relationship was altered. Elevated mean concentrations were observed within 50m at Craven Arms (CA 50) and Strefford Road (SR 50); suggesting the influence of traffic on the concentration levels of the contaminants.