Under Review

• Ruohan Li, Weiyu Luo, Xin Wu, Kailun Liu, Lele Zhang, Chenfeng Xiong*. Shifting Transit Deserts and Transit Mirages: Toward a Behavioral–Dynamic Framework for Transit Equity Measurement. Transportation Research Part A: Policy and Practice. 2025. [Under Review]

• Ruohan Li#, Xin Wu#, Weiyu Luo, Arash Tavakoli, C. Nataraja, Chenfeng Xiong*. Taming Volatile Trajectories: Sup-HMM, a Bayesian-Optimized Hidden Markov Model for Map Matching of Location-Based Service Data. IEEE Transactions on Intelligent Transportation Systems. 2025. [Revision]

Journal Publications

• 2023: Ruohan Li#, Yongqi Dong*#. Robust Lane Detection through Self Pre-training with Masked Sequential Autoencoders and Fine-tuning with Customized PolyLoss. IEEE Transactions on Intelligent Transportation Systems.2023. Published.
• 2025: Yongqi Dong#, Xingmin Lu#, Ruohan Li, Wei Song, Bart van Arem, Haneen Farah. Intelligent Anomaly Detection for Lane Rendering Using Transformer with Self-Supervised Pre-Training and Customized Fine-Tuning. Transportation Research Record. 2023. Published.
• 2025: Weiyu Luo, Xin Wu, Ruohan Li, Chenfeng Xiong* et al.. Variant patterns and influence of inter-regional travel during the SARS-CoV-2 expansion in South Africa. PLOS One. 2025. [Accepted]
• 2025: Ruohan Li, Hualan Wang*. A CFD-Based Integrated Modeling Framework for Assessing Highway Traffic Capacity under Regional Air Quality Constraints. Sustainability. 2025. [Accepted on May.17.2025]

Conference

Transportation Research Board (TRB)

• 2026: Ruohan Li, Weiyu Luo, Chenfeng Xiong. *Rethinking Transit Deserts: Identifying Pseudo and Real Gaps through Trip-Level Mobility Data. TRB 105th Annual Meeting, 2026. [Lectern Presentation] First presenter at Lectern Session 4018 — Evaluation of Non-Conventional Transit Impacts Wednesday, Jan 14, 2026, 8:00–9:45 AM Presider: William Wong (Federal Transit Administration)

• 2026: Weiyu Luo#, Ruohan Li#, Xin Wu, Chenfeng Xiong. *Complete Trip: A Pioneering Open-Source Dataset for Door-to-Door Multimodal Mobility Analysis. TRB 105th Annual Meeting, 2026. [Poster Presentation]

• 2024: Ruohan Li, Hualan Wang, Qiyang Zhang, Ting Nie. *A Novel Highway Traffic Capacity Analyzing Method under Road Region Atmospheric Environment Constrains Based on Computational Fluid Dynamics Model. TRB 103rd Annual Meeting, 2024. [Poster Presentation]

• 2024: Yongqi Dong#, Xingmin Lu#, Ruohan Li, Wei Song, Bart van Arem, Haneen Farah. *Intelligent Anomaly Detection for Lane Rendering Using Transformer with Self-Supervised Pre-Training and Customized Fine-Tuning. TRB 103rd Annual Meeting, 2024. [Poster Presentation]

• 2023: Yongqi Dong#, Ruohan Li#, Haneen Farah. *Robust Lane Detection through Self Pre-training with Masked Sequential Autoencoders and Fine-tuning with Customized PolyLoss. TRB 102nd Annual Meeting, 2023. Poster Presentation

TRC-30: Conference in Emerging Technologies in Transportation Systems

• 2024: Ruohan Li, Chenfeng Xiong, Arash Tavakoli, C. Nataraja. *Map Matching of Location Data Trajectories: A Heterogeneous and Bayesian-Optimized Hidden Markov Approach. TRC-30, 2024. Oral Presentation

World Symposium on Transport and Land Use Research (WSTLUR)

• 2026: Ruohan Li, Weiyu Luo, Chenfeng Xiong*. Shifting Transit Deserts and Transit Mirages: Toward a Behavioral–Dynamic Framework for Transit Equity Measurement. WSTLUR2026. 2025. [Under Review]

American Geophysical Union (AGU)

• 2025: Ruohan Li, Weiyu Luo, Chenfeng Xiong. *Equity in Motion: Rethinking Transit Deserts through Complete Trip Data. AGU Fall Meeting, 2025. [Oral Presentation]

• 2025: Weiyu Luo#, Ruohan Li#, Xin Wu, Chenfeng Xiong. *Complete Trip: A High-Resolution Multimodal Mobility Dataset for Urban Process Modeling and Environmental Simulation. AGU Fall Meeting, 2025. [Oral Presentation]

CICTP (COTA International Conference of Transportation Professionals)

• 2024: Xinmin Lu#, Yongqi Dong#, Ruohan Li, Wei Song. *Intelligent Anomaly Detection for Lane Rendering Using Transformer with Self-Supervised Pre-Training and Customized Fine-Tuning. CICTP 2023, 2023. [Accepted Dec 9, 2022]

• 2023: Ruohan Li, Hualan Wang, Yajun Guo, Mingxuan Li. *The Highway Region Boundary Based on Multi-Environmental Factors. In CICTP 2023, pp. 135–145. Published

Patent

• Vision-Based Lane Detection System With Self-supervised Pre-training Through Masked Sequential Auto-encoders (VLD_SP-MSAE) (Computer Software Copyright Registration in China, 2024SR1350911, granted on 9/11/2024).
• Automated lane detection (IDF OCT-22-060, granted on May 25, 2024, Patent number 2033551)