Ali Hajbabaie
Assoc Professor
- ahajbab@ncsu.edu
- Fitts-Woolard Hall 3203
Dr. Ali Hajbabaie is an Associate Professor in the Department of Civil, Construction, and Environmental Engineering at NC State University. He is primarily associated with the “Transportation Systems” and “Computing and Systems” groups within the Department.
After receiving his Ph.D., Dr. Hajbabaie was a postdoctoral research scholar at the Institute for Transportation Research and Education at NC State. He then moved to Washington State University where he was an Assistant Professor in the Department of Civil and Environmental Engineering from 2014 to 2019.
Dr. Hajbabaie has served as the Secretary of the Work Zone Traffic Control standing committee of the Transportation Research Board (TRB) of the National Academies of Sciences, Engineering, and Medicine since 2014 and as the Chair of the Asset Management Subcommittee of the Traffic Signal Systems Committee of the TRB.
Dr. Hajbabaie teaches courses such as Traffic Engineering, Advanced Traffic Control, Traffic Flow Theory, and Traffic Operations.
Education
Civil Engineering
University of Illinois at Urbana - Champaign
Industrial Engineering
University of Illinois at Urbana - Champaign
Civil Engineering
Sharif University of Technology
Civil Engineering
Sharif University of Technology
Research Description
Dr. Hajbabaie's research is focused on traffic operations and control in the presence of connected human-driven and self-driving cars. Dr. Hajbabaie and his research group use multi-scale analysis, modeling, and optimization to improve traffic operations. His research advances our understanding of cooperative traffic control systems and contributes to the development of future mobility systems, including connected and automated vehicles.
Honors and Awards
- Best Dissertation Award – Honorary Mention, Transportation Research Board, 2022
- Sweet 16 High Value Research, American Association of State Highway and Transportation Officials, 2021
- Certificate of Excellence, Work Zone and Traffic Control Committee, the Transportation Research Board, National Academy of Sciences, 2019
- Outstanding Junior Researcher, the Department of Civil and Environmental Engineering, Washington State University, 2018
- Best Paper Award, Transportation Research Record: Journal of the Transportation Research Board, Work Zone Traffic Control Committee, 2016
- Best Student Paper Award, Transportation & Development Institute’s Congress, American Society of Civil Engineers, 2011
- Best Paper Award, Institute of Transportation Engineers, Illinois Section, 2010
Publications
- Advancing the white phase mobile traffic control paradigm to consider pedestrians
- Niroumand, R., Hajibabai, L., & Hajbabaie, A. (2024, March 10), COMPUTER-AIDED CIVIL AND INFRASTRUCTURE ENGINEERING, Vol. 3. https://doi.org/10.1111/mice.13178
- Connected autonomous vehicles: State of practice
- Islam, M. M., Newaz, A. A. R., Song, L., Lartey, B., Lin, S.-C., Fan, W., … Karimoddini, A. (2023, May 25), APPLIED STOCHASTIC MODELS IN BUSINESS AND INDUSTRY, Vol. 5. https://doi.org/10.1002/asmb.2772
- Effects of Connectivity and Automation on Saturation Headway and Capacity at Signalized Intersections
- Hajbabaie, A., Tajalli, M., & Bardaka, E. (2023), Transportation Research Record: Journal of the Transportation Research Board, 8. https://doi.org/10.1177/03611981231187386
- White Phase Intersection Control Through Distributed Coordination: A Mobile Controller Paradigm in a Mixed Traffic Stream
- Niroumand, R., Hajibabai, L., & Hajbabaie, A. (2023), IEEE Transactions on Intelligent Transportation Systems, 24(3), 2993–3007. https://doi.org/10.1109/TITS.2022.3226557
- A Distributed Gradient Approach for System Optimal Dynamic Traffic Assignment
- Mehrabipour, M., & Hajbabaie, A. (2022), IEEE Transactions on Intelligent Transportation Systems, 23(10), 17410–17424. https://doi.org/10.1109/TITS.2022.3163369
- An Enhanced Cell Transmission Model for Multi-Class Signal Control
- Islam, S. M. A. B. A., & Hajbabaie, A. (2022), IEEE Transactions on Intelligent Transportation Systems, 23(8), 11215–11226. https://doi.org/10.1109/TITS.2021.3101838
- Battery Electric Vehicles Network Equilibrium With Flow-Dependent Energy Consumption
- Niroumand, R., Bahrami, S., Aashtiani, H. Z., & Hajbabaie, A. (2022), Transportation Research Record: Journal of the Transportation Research Board, 2677(5), 444–462. https://doi.org/10.1177/03611981221131813
- Distributed cooperative trajectory and lane changing optimization of connected automated vehicles: Freeway segments with lane drop
- Tajalli, M., Niroumand, R., & Hajbabaie, A. (2022), Transportation Research Part C: Emerging Technologies, 143, 103761. https://doi.org/10.1016/j.trc.2022.103761
- Effects of Autonomous Driving Behavior on Intersection Performance and Safety in the Presence of White Phase for Mixed-Autonomy Traffic Stream
- Niroumand, R., Hajibabai, L., Hajbabaie, A., & Tajalli, M. (2022), Transportation Research Record: Journal of the Transportation Research Board, 2676(8), 112–130. https://doi.org/10.1177/03611981221082580
- Testing Connected Vehicle-Based Accident Mitigation for Red-Light Violation Using Simulation Strategies
- Tajalli, M., Al Islam, S. M. A. B., List, G. F., & Hajbabaie, A. (2022), Transportation Research Record: Journal of the Transportation Research Board, 2676(6), 583–600. https://doi.org/10.1177/03611981221075630