Qatar Transportation and Traffic Safety Center: Recent submissions
Now showing items 101-120 of 252
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Autonomous vehicles between anticipation and apprehension: Investigations through safety and security perceptions
( Elsevier Ltd , 2021 , Article)Due to the ongoing enormous infrastructural developments and car ownership culture in Qatar, it could be one of those countries to introduce Autonomous Vehicles (AV) technology at the early stages. Therefore, this study ... -
The appraisal of roadway environment and infrastructure by drivers with autism: A qualitative study
( Elsevier Ltd , 2021 , Article)People with an autism spectrum disorder (ASD) might experience difficulties while driving, for instance, related to hazard perception. These difficulties may be related to cognitive issues (internal) such as attention-shifting, ... -
Sandstorm animations on rural expressways: The impact of variable message sign strategies on driver behavior in low visibility conditions
( Elsevier Ltd , 2021 , Article)Problem: Evolving sandstorms on rural expressways in desert countries impair drivers' contrast vision and increase the risk of serious crashes due to delayed speed adjustments. Intelligent Transport Systems (ITS) such as ... -
Driving simulation sickness and the sense of presence: Correlation and contributing factors
( Elsevier Ltd , 2021 , Article)Driving simulators are useful and effective tools for conducting studies in the field of traffic safety. Simulation sickness (SS) and the sense of presence (SP) are two well-known factors that could affect the results of ... -
Relating reactive and proactive aggression to trait driving anger in young and adult males: A pilot study using explicit and implicit measures
( MDPI , 2021 , Article)Driving anger and aggressive driving are main contributors to crashes, especially among young males. Trait driving anger is context-specific and unique from other forms of anger. It is necessary to understand the mechanisms ... -
Concentration of pb, cu, zn and cd in the roadside soil of doha: Effect of traffic volume and season
( HARD , 2021 , Article)The concentration of copper (Cu), lead (Pb), zinc (Zn) and cadmium (Cd) in the roadside soil of Doha was evaluated. Three different roads were selected for the study namely, Mesrif street, Salwa road and Cornish street ... -
Analysis of the Trajectories of Left-turning Vehicles at Signalized Intersections
( Elsevier B.V. , 2020 , Conference)Internationally, an annual number of more than a million fatalities are caused by road traffic crashes, with particularly signalized intersections being crash prone locations within the highway system. An accumulation of ... -
Analysis of gap parameters for the estimation of single lane roundabouts' capacity in the State of Qatar
( Elsevier B.V. , 2021 , Conference)Entry capacity is an important parameter for evaluating the roundabout performance. In general, entry capacity is influenced by three gap parameters: critical gap, follow-up time and minimum headway of circulating vehicles. ... -
Analysis of Stopping Sight Distance (SSD) Parameters: A Review Study
( Elsevier B.V. , 2022 , Article)Stopping sight distance (SSD) is one of the important elements in geometric highway design, which relies on the two key parameters, i.e., vehicle braking characteristics and drivers' reaction time. Previous studies have ... -
Promoting cycling activities in the State of Qatar: Challenges and potential treatments
( Elsevier B.V. , 2022 , Article)In the last few decades, cycling has received an increased attention due to its health, social, and economical benefits. Many countries are adopting different policies to encourage cycling as a daily mode of transport. In ... -
Exploring the impacts of COVID-19 on travel behavior and mode preferences
( ElsevierLtd. , 2020 , Article)Various measures were recommended or imposed by the governments to control the spread of COVID-19. Travel behaviors are significantly influenced due to such measures. However, people have various travel needs ranging from ... -
Driving behavior classification at signalized intersections using vehicle kinematics: Application of unsupervised machine learning
( Taylor & Francis , 2022 , Article)Driving behavior is considered as a unique driving habit of each driver and has a significant impact on road safety. This study proposed a novel data-driven Machine Learning framework that can classify driving behavior at ... -
Examining the role of road safety audits worldwide: exploring road safety expert’s opinions
( Taylor & Francis , 2022 , Article)Road safety audit (RSA) is a method used to proactively identify safety risks in road projects from planning, design, and construction stages. The effectiveness of the implementation of RSAs varies across the globe. This ... -
Pedestrian flow characteristics through different angled bends: Exploring the spatial variation of velocity
( Public Library of Science (PLOS) , 2022 , Article)Common geometrical layouts could potentially be bottlenecks, particularly during emergency and high density situations. When pedestrians are interacting with such complex geometrical settings, the congestion effect might ... -
Experiences with licensing by autistic drivers: An exploratory study
( Elsevier B.V. , 2022 , Article)Autistic individuals obtain their driver's licenses significantly less or significantly later than non-autistic peers. In the past, research has been done on what problems autistic individuals experience when (learning to) ... -
Using driving simulator to study the effect of crash fact signs on speeding behaviour along freeways
( Taylor & Francis , 2022 , Article)A driving simulator study was utilized to evaluate a potential countermeasure for speeding behaviour in order to reduce speed spillover. The behaviour of 56 subjects was observed. Participants drove a freeway for 5300 ... -
Investigating the impact of a novel active gap metering signalization strategy on driver behavior at highway merging sections
( Elsevier Ltd , 2021 , Article)A safe headway to the lead vehicle is important to reduce conflicts with merging vehicles from highway on-ramps. Previous research has outlined the advantage of gap metering strategies to yield sufficient space to merging ... -
Road safety status during COVID-19 pandemic: exploring public and road safety expert’s opinions
( Taylor & Francis , 2022 , Article)The main objective of this study is to investigate the status of traffic safety and the public perception of traffic safety during the during COVID-19 pandemic. Three different data sets are used in this study: road crash ... -
Interactions between autonomous vehicles and pedestrians at unsignalized mid-block crosswalks considering occlusions by opposing vehicles
( Elsevier Ltd , 2021 , Article)Visibility can be identified as one of the critical determinants for the safety performance of autonomous vehicles (AVs) on unsignalized mid-block crosswalks (UMC), which may be significantly influenced by build-up environment ... -
A study on the determinants of Ethiopian minibus taxi drivers' speeding behaviour: An application of the 'major theorists' model
( Elsevier B.V. , 2022 , Article)Speeding is the most common road safety problem that results in many traffic accidents in Addis Ababa, Ethiopia. Minibus taxis substantially contribute to speed-related road traffic crashes in Addis Ababa. This study aimed ...
