News
Reverse chronological. Each item is a permalink; the homepage shows the most recent three.
Guoliang Feng joins the Choi Lab as a postdoctoral researcher in July 2026, working on AI integration in traffic operations, agentic traffic simulation, and synthetic population generation.
Read →Our systematic review asking whether renewable energy can keep up with the surging electricity demand of artificial intelligence has been accepted at Renewable and Sustainable Energy Reviews.
Read →A great stretch for the lab: PMA-Diffusion is published in Transportation Research Part C, while Weaver (also TR Part C) and TrajFlow (Artificial Intelligence for Transportation) have been accepted and are now in press.
Read →Through the Undergraduate Research Opportunities Program (UROP), Leo Curtis advanced TMC-Agent — an agentic AI system for traffic management — and Ismail Yusuf built HighwayVLM, a hybrid computer-vision + vision-language-model highway incident-detection system.
Read →Our lab presented 8 papers at the 105th Transportation Research Board Annual Meeting (TRB 2026) in Washington, D.C. Our research spans applications of Generative AI, large language models, and optimization for transportation sensing, estimation, and operations.
Prof. Choi joined a University of Minnesota Center for Transportation Studies (CTS) webinar on how AI is shaping transportation in Minnesota — alongside Qizhi He (UMN) and Melissa Barnes (MnDOT) — on how AI supports transportation work today and how professionals can prepare for its growing influence.
Read →It was a pleasure to give an invited talk at the UC Berkeley PATH (Partners for Advanced Transportation Technology) seminar series.
I spoke on "Transportation Research in the Era of Generative AI" at the NCITE/CTS Symposium in Minneapolis, MN.
It was such a pleasure to present my works on "Generative AI for Transportation Operations" at the Department of Civil, Architectural, and Environmental Engineering, NC A&T University. I would like to thank Prof. Venktesh Pandey for the invitation.
It was such a pleasure to present my works on "Generative AI for Transportation Operations" at the Department of Civil, Construction, and Environmental Engineering, NC State University. I would like to thank Prof. Ali Hajbabaie and Prof. Danjue Chen for the invitation.
I'm thrilled to share that our latest publication, '𝐀 𝐆𝐞𝐧𝐭𝐥𝐞 𝐈𝐧𝐭𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧 𝐚𝐧𝐝 𝐓𝐮𝐭𝐨𝐫𝐢𝐚𝐥 𝐨𝐧 𝐃𝐞𝐞𝐩 𝐆𝐞𝐧𝐞𝐫𝐚𝐭𝐢𝐯𝐞 𝐌𝐨𝐝𝐞𝐥𝐬 𝐢𝐧 𝐓𝐫𝐚𝐧𝐬𝐩𝐨𝐫𝐭𝐚𝐭𝐢𝐨𝐧 𝐑𝐞𝐬𝐞𝐚𝐫𝐜𝐡', has just been published in Transportation Research Part C.
Read →It was a pleasure to present "Deep Generative Models for Transportation and Mobility Data" at Virginia Tech (virtual).
I am pleased to share that my paper, "Probabilistic Traffic Forecasting with Dynamic Regression," has been accepted to Transportation Science!
I'm thrilled to share that our paper, 'Scalable Dynamic Mixture Model with Full Covariance for Probabilistic Traffic Forecasting,' has been accepted for publication in Transportation Science!
Read →I presented "A Gentle Introduction and Tutorial on Deep Generative Models in Transportation Research" at the I-24 MOTION workshop in Washington, D.C.
I will be presenting "Weaver: A Spatio-Temporal Deep Learning Model Architecture Based on the Mixed Kronecker Matrix-Vector Identity" at Transportation Research Board Annual Meeting (TRBAM 2025)
I will be presenting two papers at TRC-30: (1) Evaluating UAM Route Feasibility in Terminal Airspace via Probabilistic Aircraft Trajectory Prediction, and (2) Multi-level Traffic Simulation with Dynamic Simulation Level Assignment for Urban Network
Lindong Liu and Pouya Parsa joined the group.
It was such a pleasure to present my works on "Deep Generative Models for Transportation and Mobility Data" at The 2nd Cho Chun Shik Graduate School of Mobility Summer Camp.
Read →It was such a pleasure to present my works on "Deep Generative Models for Transportation and Mobility Data" at the Graduate School of Environment Studies, Seoul National University (Seoul, South Korea). I would like to thank Prof. Justin S. Chang and Prof. Sangjin Han for the invitation.
I had a great time at the 27th International Conference on Artificial Intelligence and Statistics (AISTATS 2024)! I presented a paper from my postdoc works titled “Better Batch for Deep Probabilistic Time Series Forecasting” along with Vincent Zheng and Professor Lijun Sun.
Read →It was such a privilege to speak at the Warren Distinguished Lecture Series hosted by the CEGE department at the University of Minnesota, Twin Cities.
Read →I am presenting 4 papers at TRBAM24. Feel free to stop by and discuss any of the topics!
Read →It was such a pleasure to give a seminar talk on "Introduction to Deep Generative Models" at AIxMobility Lab at Korea Advanced Institute of Science and Technology (Virtual). I would like to thank Prof. Hwasoo Yeo for the invitation.
It was such a pleasure to present my works on "Deep Generative Models for Mobility Trajectory Data" at the Department of Civil and Environmental Engineering, Western University (London, Ontario, Canada). I would like to thank Prof. Mohamed Zaki for the invitation.
My new paper titled "Optimal planning of parking infrastructure and fleet size for Shared Autonomous Vehicles" has been published in Transportation Research Part E: Logistics and Transportation Review.
Read →I am looking for 1-2 highly motivated Ph.D. students for Spring/Fall 2024 semesters (starting in January/September). The positions are in the Department of Civil, Environmental, and Geo-Engineering at the University of Minnesota, Twin Cities. I encourage those with a passion for applying machine learning and deep learning to urban transportation and mobility data and utilizing advanced AI methods to solve transportation and mobility problems, to apply.
Read →It was such a pleasure to present my works on "Learning the Distribution of Traffic and Mobility Data" at the Department of Civil and Environmental Engineering, Korea Advanced Institue of Science and Technology. I would like to thank Prof. Hwasoo Yeo for the invitation.
It was such a pleasure to present my works on "Learning the Distribution of Traffic and Mobility Data" at the Department of Civil and Environmental Engineering, Seoul National University. I would like to thank Prof. Dongkyu Kim for the invitation.
I am absolutely thrilled to share that I have accepted the offer to join the Department of Civil, Environmental, and Geo- Engineering at the University of Minnesota Twin Cities as an Assistant Professor, starting in January 2024!
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