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Time:
15:00hrs (UK time)
10:00hrs (Pittsburg time)
18:00hrs (Doha time)

The IHE Middle East Branch would like to invite you to a technical webinar on Wednesday 8th March 2023.

Details

Considering the environmental concerns and space limitations of urban infrastructure, construction of new roads and broadening of the existing ones are not accepted practices for managing the ever-growing traffic demand. The current traffic management methods (e.g., traffic signals) in urban networks focus on the resolution of traffic conflicts at urban intersections.

However, such an approach sometimes turns intersections into bottlenecks resulting in loss of efficiency, increased risk of the traffic crashes, and negative environmental impacts. Connected and Autonomous Vehicles (CAVs) are seen to revolutionize urban transportation and bring efficiency and safety benefits to the transportation users. However, the full extent of CAV benefits will not be achievable unless the traffic control systems are rethought from the roots.

The goal of this research is to investigate the impact of flexible organization of traffic flows on efficiency and safety of urban networks, in a fully automated and connected transportation environment.

This study proposes a robust control concept, called Combined Flexible Lane Assignment and Reservation-Based Intersection Control (CFLARIC) system, which splits directional traffic into individual lanes (based on the desired movements at the downstream intersection) and combines the mid-block traffic control approach with the Reservation-based Intersection Control (RIC) to apply control and resolve conflicts over the entire roadway surface in order to improve the efficiency and safety of the transportation network by better utilizing road capacity. A microsimulation tool called Flexible Arterial Utilization Simulation Modeling (FAUSIM) has been developed in NetLogo to model such flexibility. Results of testing CFLARIC in a field-like condition as well as congested traffic conditions prove that adopting traffic control concepts with more flexible lane assignments leads to significant improvement in safety and efficiency and could provide a reliable solution to unleash the full potential of CAVs.

Presenter – Mrs Farzaneh Azadi, Traffic/ITS Designer, AECOM

Mrs. Farzaneh Azadi has more than 20 years of experience as a civil and transportation engineer. She got her B.Sc. degree in civil engineering followed with an MS in Transportation Management from Iran. She worked as a structural designer, construction supervisor and project leader for several years before moving to the US. She started her PhD research at the University of Missouri-Columbia in 2016 and has worked on a variety of projects with the main focus on transportation safety. Since 2019 she joined the University of Pittsburgh. Her Ph.D. research focused on intelligent traffic management with connected and automated vehicles. Mrs. Azadi is a recipient of several prestigious awards including WTS Metropolitan St. Louis Chapter (2018), ITS Heartland First place poster award (2019), Lifesavers Traffic Safety Scholar (2019,2020,2021), and WTS Pittsburgh Chapter Leadership Legacy Scholarship (2022). She has published multiple papers in Transportation journals and had several conference presentations. Her research interests include intelligent traffic control systems, transportation safety, transportation modeling, and data analysis. Currently, she works at AECOM as a traffic/ITS designer. She is also an adjunct professor at University of Pittsburgh teaching transportation engineering courses.

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