Personal profile
Education/Academic qualification
PhD, Korea Advanced Institute of Science and Technology (KAIST)
Mar 1 2017 → Aug 20 2021
MS, Korea Advanced Institute of Science and Technology (KAIST)
Sep 1 2015 → Feb 15 2017
BS, Korea Advanced Institute of Science and Technology (KAIST)
Feb 1 2011 → Aug 20 2015
External Positions
Postdoctoral Researcher, McGill University
Jan 1 2022 → Dec 31 2023
Postdoctoral Researcher, Korea Advanced Institute of Science and Technology (KAIST)
Sep 1 2021 → Nov 30 2021
Research Interest Keywords
- Transportation
- AI for Transportation
- Connected and Autonomous Vehicles
- Spatiotemporal Data Modeling
- Traffic Simulation
- Traffic Operations
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 3 Good Health and Well-being -
SDG 7 Affordable and Clean Energy -
SDG 9 Industry, Innovation, and Infrastructure -
SDG 11 Sustainable Cities and Communities
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Collaborations and top research areas from the last five years
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Data Quality Assessment and Automatic Fault Detection for Traffic Detector Network
Choi, S. (PI)
MINNESOTA DEPARTMENT OF TRANSPORTATION
10/22/25 → 10/31/26
Project: Research project
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Estimating Likely Mode Shift and VMT Reduction Potential using TBI Data and AI Algorithms
Khani, A. (PI), Choi, S. (Co-Principal Investigator) & Levin, M. W. (Co-Principal Investigator)
MINNESOTA DEPARTMENT OF TRANSPORTATION
8/12/25 → 6/30/27
Project: Research project
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Center for Transportation Studies Operations - Fiscal Years 26-27
Barman, M. (PI), Bartlett, K. R. (PI), Cao, J. (PI), Choi, S. (PI), Christiansen, M. U. (PI), Craig, C. (PI), Davis, B. J. (PI), Denten, K. (PI), Douma, F. P. (PI), Erickson, A. (PI), Gebre Egziabher, D. (PI), Guzina, B. B. (PI), Harrington, E. S. (PI), Hayee, I. (PI), He, Q. (PI), Hedegaard, B. D. (PI), Heger, S. F. (PI), Khani, A. (PI), Le, J. (PI), Levin, M. W. (PI), Lind, E. M. (PI), Linderman, L. E. (PI), Marasteanu, M. (PI), Maximiano Dos Santos, K. R. (PI), Morellas, V. (PI), Morris, N. L. (PI), Mortazavi, P. (PI), Northrop, W. (PI), Papanikolopoulos, N. P. (PI), Qian, X. (PI), Quick, K. (PI), Rajamani, R. (PI), Saftner, D. A. (PI), Shelton, K. (PI), Song, Y. (PI), Stern, R. (PI), Strandjord, K. L. (PI), Worsfold, B. L. (PI), Yu, Y. (PI), Zhang, Y. (PI), Zhu, D. (PI), Baas, G. M. (CoI), Malinoff, S. (CoI), Anderson, C. D. (Other Role), Andrews, E. C. (Other Role), Arbury Prorok, C. (Other Role), Bass, J. S. (Other Role), Biever, M. (Other Role), De Sota, J. (Other Role), Endsley, L. M. (Other Role), Finklea, K. (Other Role), Frandrup, C. (Other Role), Friebe, A. C. (Other Role), Fritze, A. (Other Role), Hahn, S. N. (Other Role), Hasty, B. J. (Other Role), Kronebusch, A. M. (Other Role), Liu, S. S. (Other Role), McCarthy, M. (Other Role), Moses, M. L. (Other Role), Owen, A. (Other Role), Peterson, D. (Other Role), Piper, J. W. (Other Role), Rzeszutek, K. R. (Other Role), Siqveland, J. E. (Other Role), Tuite, M. R. (Other Role) & Wrucke, A. J. (Other Role)
MINNESOTA DEPARTMENT OF TRANSPORTATION
7/15/25 → 6/30/27
Project: Research project
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K-health-mobility: Multi-layer digital twin of healthcare and mobility and supplementary system design for vulnerable groups using a synthetic population of an aging society
Choi, S. (PI)
KONKUK UNIV INDUSTRY-ACADEMIC COOP FDN, NATIONAL RESEARCH FOUNDATION OF KOREA
3/1/25 → 2/28/30
Project: Research project
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Simulation-Driven Retrieval-Augmented Generation for Numerically Grounded AI in Transportation
Choi, S. (PI)
7/1/25 → 2/27/26
Project: Research project
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Optimal planning of parking infrastructure and fleet size for Shared Autonomous Vehicles
Choi, S. & Lee, J., Aug 2023, In: Transportation Research Part E: Logistics and Transportation Review.Research output: Contribution to journal › Article › peer-review
10 Link opens in a new tab Scopus citations -
Framework for Connected and Automated Bus Rapid Transit with Sectionalized Speed Guidance based on deep reinforcement learning: Field test in Sejong City
Choi, S., Lee, D., Kim, S. & Tak, S., Mar 2023, In: Transportation Research Part C: Emerging Technologies.Research output: Contribution to journal › Article › peer-review
36 Link opens in a new tab Scopus citations -
TrajGAIL: Generating urban vehicle trajectories using generative adversarial imitation learning
Choi, S., Kim, J. & Yeo, H., 2021, In: Transportation Research Part C: Emerging Technologies.Research output: Contribution to journal › Article › peer-review
150 Link opens in a new tab Scopus citations -
Transformer-based map matching model with limited ground-truth data using transfer-learning approach
Jin, Z., Kim, J., Yeo, H. & Choi, S., 2021, In: Transportation Research Part C: Emerging Technologies.Research output: Contribution to journal › Article › peer-review
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Toward Safe Integration of UAM in Terminal Airspace: UAM Route Feasibility Assessment Using Probabilistic Aircraft Trajectory Prediction
Cho, J. & Choi, S., 2026, (Accepted/In press) In: IEEE Transactions on Intelligent Transportation Systems.Research output: Contribution to journal › Article › peer-review