Qatar Transportation and Traffic Safety Center: Recent submissions
Now showing items 201-220 of 252
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Life cycle sustainability assessment of autonomous heavy-duty trucks
( Wiley , 2020 , Article)Connected and automated vehicles (CAVs) are emerging technologies expected to bring important environmental, social, and economic improvements in transportation systems. Given their implications in terms of air quality and ... -
Life cycle sustainability assessment of sport utility vehicles: The case for Qatar
( Springer Verlag , 2020 , Article)Electric vehicle technologies are attractive alternatives to traditional vehicles towards achieving sustainable transportation. The adoption of these technologies has a great potential in reducing road transportation ... -
Carbon footprint of construction industry: A global review and supply chain analysis
( Elsevier , 2020 , Article)This paper conducts a global review and a macro-level supply chain analysis focusing on carbon footprint of construction industry worldwide for the period between 2009 and 2020 using the Scopus database. A total of 1833 ... -
How sustainable is electric mobility? A comprehensive sustainability assessment approach for the case of Qatar
( Elsevier , 2019 , Article)Electric mobility is a trending topic around the world, and many countries are supporting electric vehicle technologies to reduce environmental impacts from transportation such as greenhouse gas emissions and air pollution ... -
Water and carbon footprint reduction potential of renewable energy in the United States: A policy analysis using system dynamics
( Elsevier , 2019 , Article)Renewable energy has gained popularity as an alternative to fossil fuels, which regularly emit large amounts of Greenhouse Gases and consume/withdraw large amounts of water, but renewable energy market penetration is still ... -
Eco-efficiency of electric vehicles in the United States: A life cycle assessment based principal component analysis
( Elsevier , 2019 , Article)This research presents an integrated sustainability assessment framework applied to electric vehicle technologies in the United States of America. Two methods; principal component analysis and life cycle assessment are ... -
Material footprint of electric vehicles: A multiregional life cycle assessment
( Elsevier , 2019 , Article)Most of the global multiregional studies have looked at material footprint (MF) of either a nation or a region. A product-specific MF analysis, particularly when it comes to Alternative Fuel Vehicles (AFVs), carried out ... -
Sustainability assessment and modeling based on supervised machine learning techniques: The case for food consumption
( Elsevier , 2020 , Article)Sustainability of food consumption requires the understanding of multi-dimensional environmental, economic and social impacts using a holistic and integrated sustainability assessment and modeling framework. This article ... -
A Strategy for Emergency Vehicle Preemption and Route Selection
( Springer Verlag , 2019 , Article)Emergency vehicle preemption (EVP) aims to give right of way to emergency vehicles (EV) heading toward the incident location through a network of signalized intersections by creating a green wave en-route. The design goals ... -
Road users' behavior at marked Crosswalks on channelized right-turn lanes at intersections in the state of Qatar
( MDPI AG , 2019 , Article)At non-signalized marked crosswalks, pedestrian priority is neither well-defined nor well acknowledged by drivers. This paper presents the findings of an investigation on both driver and pedestrian behavior at non-signalized ... -
Numerical and experimental investigation on corrugation geometry for metallic tubes under lateral loading
( Trans Tech Publications Ltd , 2018 , Conference Paper)Energy absorption devices are being used to protect structures from severe damages and reduce injury to occupants during accidents. The integrated characteristics of crash absorption devices can be classified as high energy ... -
Assessing regional and global environmental footprints and value added of the largest food producers in the world
( Elsevier B.V. , 2019 , Article)This research aims to provide important insights regarding the environmental and socioeconomic impacts of the world's largest food producing countries based on four sustainability metrics: energy use, carbon footprint, ... -
Empirical Study on Pedestrian Signal Design and Compliance in the State of Qatar
( Springer International Publishing , 2019 , Article)To ensure safe crossing manoeuvres at signalized crosswalks, the pedestrian delays and allocation of sufficient pedestrian green and flashing green times should be considered at design stage. The pedestrian signal settings ... -
Penalized Conway-Maxwell-Poisson regression for modelling dispersed discrete data: The case study of motor vehicle crash frequency
( Elsevier B.V. , 2019 , Article)Statistical modelling of road crashes has been of extreme interest to researchers over the last decades. Such models are necessary for the investigation of the opportunities for road safety improvement. The motor vehicle ... -
Development, validation, and application of School Audit Tool (SAT): An effective instrument for assessing traffic safety and operation around schools
( MDPI AG , 2019 , Article)There is a need for a reliable school audit tool with well-defined scales to convert qualitative evaluation of existing school sites into a quantitative assessment in order to help public agencies to improve schools' safety ... -
Experimental analysis of additively manufactured thin-walled heat-treated circular tubes with slits using AlSi10Mg alloy by quasi-static axial crushing test
( Elsevier Ltd , 2019 , Article)In this study, additively manufactured aluminum thin-walled tubes with different slit dimensions are proposed to improve energy absorption efficiency. A total of 18 samples, which varied in the number of slits, slit length, ... -
Supply Chain Linked Sustainability Assessment of Electric Vehicles: The Case for Qatar
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Electric vehicles are important technologies to reduce adverse environmental impacts stemming from transportation. In this paper, we investigated the environmental, social, and economic impacts of electric vehicles in ... -
Exploring the Social, Economic and Environmental Footprint of Food Consumption: A Supply Chain-linked Sustainability Assessment
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)This research is the first empirical analysis on the macro-level social, economic and environmental impacts of food consumption categories in the United States of America. Current study assessed the direct and supply ... -
Evaluating the effect of seasonal variations on walking behaviour in a hot weather country using logistic regression
( Routledge , 2018 , Article)The city of Doha, Qatar experiences a hot and arid weather throughout the year. This study investigates the effect of season, type of day, and time of day on the walking behaviour of pedestrians in these conditions using ... -
Magnetorheological damper with external excitation for more efficient control of vehicles? dynamics
( SAGE Publications Ltd , 2018 , Article)This article presents a new concept design for magnetorheological dampers, where the excitation circuit and magnetic field are applied from outside the magnetorheological chamber. This magnetorheological damper was designed ...
