The International Arab Journal of Information Technology (IAJIT)


Analyzing the Effect of Driving Speed on the

Roundabouts are introduced at intersections to improve traffic flow and enhance safety. Nevertheless, studies and field observations demonstrated that roundabouts, due to their special design, could significantly affect the efficiency of the overall traffic network, especially in the case of increased traffic volumes. For this reason, researchers and practitioners have conducted several studies to alleviate the negative impact of saturated traffic. In these studies, different characteristics of traffic flow and roundabout topologies are analyzed to show their impact on the overall performance. In this paper, we present two simulation studies to investigate the effect of driving speed on the performance of roundabouts with different geometrical characteristics. The results from the two case studies indicate that speed control and the distribution of traffic volumes on the arms of the roundabout are two important factors that affect the performance of roundabouts. Moreover, the results also show that the driving speed factor correlates with roundabouts' geometrical characteristics. Further, the individual driving behavior plays a major role in the performance of roundabouts.

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[23] Zhou L., Zhang L., and Liu C., “Comparing Roundabouts and Signalized Intersections Through Multiple-Model Simulation,” IEEE Transactions on Intelligent Transportation Systems, 2021. 522 The International Arab Journal of Information Technology, Vol. 19, No. 3A, Special Issue 2022 Ahmed Shatnawi is an Assistant Professor at the Software Engineering department at Jordan University of Science and technology. Ahmed’s research interests lie primarily in the intersection of software engineering and information security. His research focuses on finding better ways to design software systems that are safe, secure, and reliable to use. He received his Ph.D. in Engineering from the University of Wisconsin Milwaukee in 2017 and his M.S. in Software Engineering from George Mason University in 2012. Abderraouf Drine is a graduate of JUST from the software engineering department. He now works as a freelance web developer. He specializes in web frontend web development and web scraping. His research interests include data analysis in software engineering, intelligent transportation systems, and User Interface Design. Mohammad Al-Zinati is an Associate Professor of Software engineering at Jordan University of Science and Technology. He holds a Ph.D. in software engineering from the University of Texas at Dallas, USA. His research area focuses on Smart Agent Technologies and their application to Intelligent Transportation Systems, agent-based simulation systems, and large-scale biosurveillance systems. Qutaibah Althebyan is the Dean of the College of Engineering at Al Ain University, UAE. He has been there since January 2018. Prior to joining Al Ain University, he was an associate professor of Software Engineering at Jordan University of Science and Technology (JUST) in August of 2008. Dr. Qutaibah Althebyan finished his Ph.D. degree in 2008 in Computer Science from the University of Arkansas - Fayetteville and his Master's degree in 2004 in Computer Information Systems from the University of Michigan – Dearborn. Dr. Althebyan published several papers in high-ranked journals and conferences. He is also a reviewer for many journals and conferences. Dr. Althebyan's main research interests are information security, database security, security in the cloud, big data management, health information systems, information assurance, software metrics, and quality of open-source systems. Lately, he has been working on different security, e-health, and software engineering projects, namely; Large Scale Insider Threat Assessments and damage assessment in the cloud in the area of cloud security.