MobilityGPT: Enhanced Human Mobility Modeling With a GPT Model.

H. Michael Zhang University of California, Davis, Civil and Environmental Engineering, USA https://orcid.org/0000-0002-4647-3888

Ammar Haydari Dongjie Chen Zhengfeng Lai H. Michael Zhang Chen-Nee Chuah MobilityGPT: Enhanced Human Mobility Modeling With a GPT Model. 1681-1694 2026 January 27 IEEE Trans. Intell. Transp. Syst. 1 https://doi.org/10.1109/TITS.2025.3626357 db/journals/tits/tits27.html#HaydariCLZC26 streams/journals/tits

Xianyue Peng Shenyang Chen Hang Gao Hao Wang 0059 H. Michael Zhang Combat Urban Congestion via Collaboration: Heterogeneous GNN-Based MARL for Coordinated Platooning and Traffic Signal Control. 7667-7677 2025 June 26 IEEE Trans. Intell. Transp. Syst. 6 https://doi.org/10.1109/TITS.2025.3546890 db/journals/tits/tits26.html#PengCGWZ25 streams/journals/tits

Shi-Teng Zheng Rui Jiang 0008 H. Michael Zhang Junfang Tian Ruidong Yan Bin Jia Ziyou Gao Oscillation Growth in Mixed Traffic of Human-Driven and Automated Vehicles in Both Experimental Study and Simulation. 1176-1196 2025 59 Transp. Sci. 6 https://doi.org/10.1287/trsc.2023.0377 db/journals/transci/transci59.html#ZhengJZTYJG25 streams/journals/transci

Amirali Ataee Naeini Ashkan Teymouri Ghazaleh Jafarsalehi H. Michael Zhang Enhanced Vehicle Speed Detection Considering Lane Recognition Using Drone Videos in California. ISVC (1) 2025 154-165 conf/isvc/2025-1 https://doi.org/10.1007/978-3-032-14492-8_12 db/conf/isvc/isvc2025-1.html#NaeiniTJZ25 streams/conf/isvc

Xianyue Peng Shenyang Chen H. Michael Zhang A Hierarchical Signal Coordination and Control System Using a Hybrid Model-based and Reinforcement Learning Approach. 2025 August abs/2508.20102 CoRR https://doi.org/10.48550/arXiv.2508.20102 db/journals/corr/corr2508.html#abs-2508-20102 streams/journals/corr

Di Chen Jia Li H. Michael Zhang Estimate collective cooperativeness of driving agents in mixed traffic flow. 2024 abs/2408.07297 CoRR https://doi.org/10.48550/arXiv.2408.07297 db/journals/corr/corr2408.html#abs-2408-07297 streams/journals/corr

Rui Jiang 0008 Xiao Han Xiao-Yan Sun Kai-Jia Sun Wen-Xu Wang H. Michael Zhang Boyu Zhang Zi-You Gao On a Flexible Car Use Restriction Policy: Theory and Experiment. 647-660 2023 May 57 Transp. Sci. 3 https://doi.org/10.1287/trsc.2023.1200 db/journals/transci/transci57.html#JiangHSSWZZG23

Xianyue Peng Hang Gao Hao Wang 0059 H. Michael Zhang Combat Urban Congestion via Collaboration: Heterogeneous GNN-based MARL for Coordinated Platooning and Traffic Signal Control. 2023 abs/2310.10948 CoRR https://doi.org/10.48550/arXiv.2310.10948 db/journals/corr/corr2310.html#abs-2310-10948

Chia-Cheng Yen Dipak Ghosal H. Michael Zhang Chen-Nee Chuah Security Vulnerabilities and Protection Algorithms for Backpressure-Based Traffic Signal Control at an Isolated Intersection. 6406-6417 2022 23 IEEE Trans. Intell. Transp. Syst. 7 https://doi.org/10.1109/TITS.2021.3056658 https://www.wikidata.org/entity/Q114255793 db/journals/tits/tits23.html#YenGZC22

Ammar Haydari Chen-Nee Chuah H. Michael Zhang Jane MacFarlane Sean Peisert Differentially Private Map Matching for Mobility Trajectories. 293-303 2022 ACSAC https://doi.org/10.1145/3564625.3567974 conf/acsac/2022 db/conf/acsac/acsac2022.html#HaydariCZMP22 Chia-Cheng Yen Hang Gao H. Michael Zhang Deep Reinforcement Learning Based Platooning Control for Travel Delay and Fuel Optimization. 737-742 2022 ITSC https://doi.org/10.1109/ITSC55140.2022.9922550 conf/itsc/2022 db/conf/itsc/itsc2022.html#YenGZ22

Rui Ma 0009 Shenyang Chen H. Michael Zhang Time series relations between parking garage occupancy and traffic speed in macroscopic downtown areas - a data driven study. 423-438 2021 25 J. Intell. Transp. Syst. 4 https://doi.org/10.1080/15472450.2021.1927728 db/journals/jits/jits25.html#MaCZ21

Ammar Haydari H. Michael Zhang Chen-Nee Chuah Dipak Ghosal Impact of Deep RL-based Traffic Signal Control on Air Quality. 1-6 2021 VTC Spring https://doi.org/10.1109/VTC2021-Spring51267.2021.9448639 conf/vtc/2021s db/conf/vtc/vtc2021s.html#HaydariZCG21

Ammar Haydari H. Michael Zhang Chen-Nee Chuah Jane MacFarlane Sean Peisert Adaptive Differential Privacy Mechanism for Aggregated Mobility Dataset. 2021 abs/2112.08487 CoRR https://arxiv.org/abs/2112.08487 db/journals/corr/corr2112.html#abs-2112-08487

Bin Yu Ke Zhu Kaiteng Wu H. Michael Zhang Improved OpenCL-Based Implementation of Social Field Pedestrian Model. 2828-2839 2020 21 IEEE Trans. Intell. Transp. Syst. 7 https://doi.org/10.1109/TITS.2019.2920868 https://www.wikidata.org/entity/Q127660809 db/journals/tits/tits21.html#YuZWZ20

Bryan Ching Mani Amoozadeh Chen-Nee Chuah H. Michael Zhang Dipak Ghosal Enabling performance and security simulation studies of intelligent traffic signal light control with VENTOS-HIL. 100230 2020 24 Veh. Commun. https://doi.org/10.1016/j.vehcom.2020.100230 db/journals/vcomm/vcomm24.html#ChingACZG20

Chia-Cheng Yen Dipak Ghosal H. Michael Zhang Chen-Nee Chuah A Deep On-Policy Learning Agent for Traffic Signal Control of Multiple Intersections. 1-6 2020 ITSC https://doi.org/10.1109/ITSC45102.2020.9294471 conf/itsc/2020 db/conf/itsc/itsc2020.html#YenGZC20

Huajun Chai Rui Ma 0009 H. Michael Zhang Search for parking: A dynamic parking and route guidance system for efficient parking and traffic management. 541-556 2019 23 J. Intell. Transp. Syst. 6 https://doi.org/10.1080/15472450.2018.1488218 db/journals/jits/jits23.html#ChaiMZ19

Mani Amoozadeh Bryan Ching Chen-Nee Chuah Dipak Ghosal H. Michael Zhang VENTOS: Vehicular Network Open Simulator with Hardware-in-the-Loop Support. 61-68 2019 ANT/EDI40 https://doi.org/10.1016/j.procs.2019.04.012 https://www.wikidata.org/entity/Q115037841 conf/ant/2019 db/conf/ant/ant2019.html#AmoozadehCCGZ19

Bin Yu Kaiteng Wu Ke Zhu Yuhan Ji H. Michael Zhang Xinwen Yang Discretization and OpenCL-based implementation of social field pedestrian model. 299-309 2018 315 Neurocomputing https://doi.org/10.1016/j.neucom.2018.06.074 https://www.wikidata.org/entity/Q129557579 db/journals/ijon/ijon315.html#YuWZJZY18

Jian Sun 0010 Tienan Li Mengqiao Yu H. Michael Zhang Exploring the Congestion Pattern at Long-Queued Tunnel Sag and Increasing the Efficiency by Control. 3765-3774 2018 19 IEEE Trans. Intell. Transp. Syst. 12 https://doi.org/10.1109/TITS.2017.2780103 db/journals/tits/tits19.html#SunLYZ18

Jian Wu 0007 Dipak Ghosal H. Michael Zhang Chen-Nee Chuah Delay-Based Traffic Signal Control for Throughput Optimality and Fairness at an Isolated Intersection. 896-909 2018 67 IEEE Trans. Veh. Technol. 2 https://doi.org/10.1109/TVT.2017.2760820 db/journals/tvt/tvt67.html#WuGZC18

Chia-Cheng Yen Dipak Ghosal H. Michael Zhang Chen-Nee Chuah Hao Chen 0003 Falsified Data Attack on Backpressure-based Traffic Signal Control Algorithms. 1-8 2018 VNC https://doi.org/10.1109/VNC.2018.8628334 conf/vnc/2018 db/conf/vnc/vnc2018.html#YenGZC018

Bin Yu Ke Zhu Kaiteng Wu H. Michael Zhang Improved OpenCL-based Implementation of Social Field Pedestrian Model. 2018 abs/1803.04782 CoRR http://arxiv.org/abs/1803.04782 db/journals/corr/corr1803.html#abs-1803-04782

Mani Amoozadeh Arun Raghuramu Chen-Nee Chuah Dipak Ghosal H. Michael Zhang Jeff Rowe Karl N. Levitt Security vulnerabilities of connected vehicle streams and their impact on cooperative driving. 126-132 2015 53 IEEE Commun. Mag. 6 https://doi.org/10.1109/MCOM.2015.7120028 https://www.wikidata.org/entity/Q114255956 db/journals/cm/cm53.html#AmoozadehRCGZRL15

Mani Amoozadeh Hui Deng Chen-Nee Chuah H. Michael Zhang Dipak Ghosal Platoon management with cooperative adaptive cruise control enabled by VANET. 110-123 2015 2 Veh. Commun. 2 https://doi.org/10.1016/j.vehcom.2015.03.004 db/journals/vcomm/vcomm2.html#AmoozadehDCZG15

Bin Yu H. Michael Zhang Zhongren Wang 0001 Dong Bian Dynamic translation for virtual machine based traffic simulation. 248-258 2014 47 Simul. Model. Pract. Theory https://doi.org/10.1016/j.simpat.2014.06.013 db/journals/simpra/simpra47.html#YuZWB14

Alexandre M. Bayen Hélène Frankowska Jean-Patrick Lebacque Benedetto Piccoli H. Michael Zhang Special issue on Mathematics of Traffic Flow Modeling, Estimation and Control. i-ii 2013 8 Networks Heterog. Media 3 https://doi.org/10.3934/nhm.2013.8.3i db/journals/nhm/nhm8.html#BayenFLPZ13

Kartik Pandit Dipak Ghosal H. Michael Zhang Chen-Nee Chuah Adaptive Traffic Signal Control With Vehicular Ad hoc Networks. 1459-1471 2013 62 IEEE Trans. Veh. Technol. 4 https://doi.org/10.1109/TVT.2013.2241460 db/journals/tvt/tvt62.html#PanditGZC13

Bojin Liu Dipak Ghosal Chen-Nee Chuah H. Michael Zhang Reducing Greenhouse Effects via Fuel Consumption-Aware Variable Speed Limit (FC-VSL). 111-122 2012 61 IEEE Trans. Veh. Technol. 1 https://doi.org/10.1109/TVT.2011.2170595 db/journals/tvt/tvt61.html#LiuGCZ12

Behrooz Khorashadi Fred Bojin Liu Dipak Ghosal H. Michael Zhang Chen-Nee Chuah Distributed automated incident detection with VGRID. 64-73 2011 18 IEEE Wirel. Commun. 1 https://doi.org/10.1109/MWC.2011.5714027 db/journals/wc/wc18.html#KhorashadiLGZC11

Bojin Liu Dipak Ghosal Yachao Dong Chen-Nee Chuah H. Michael Zhang CarbonRecorder: A Mobile-Social Vehicular Carbon Emission Tracking Application Suite. 1-2 2011 VTC Fall https://doi.org/10.1109/VETECF.2011.6092798 conf/vtc/2011f db/conf/vtc/vtc2011f.html#LiuGDCZ11 Bojin Liu Behrooz Khorashadi Dipak Ghosal Chen-Nee Chuah H. Michael Zhang Assessing the VANET's Local Information Storage Capability under Different Traffic Mobility. 116-120 2010 INFOCOM https://doi.org/10.1109/INFCOM.2010.5462262 conf/infocom/2010 db/conf/infocom/infocom2010.html#LiuKGCZ10

Bojin Liu Behrooz Khorashadi Haining Du Dipak Ghosal Chen-Nee Chuah H. Michael Zhang VGSim: An integrated networking and microscopic vehicular mobility simulation platform. 134-141 2009 47 IEEE Commun. Mag. 5 https://doi.org/10.1109/MCOM.2009.4939289 db/journals/cm/cm47.html#LiuKDGCZ09

Yu Marco Nie H. Michael Zhang Numerical solution procedures for the morning commute problem. 1295-1310 2009 49 Math. Comput. Model. 7-8 https://doi.org/10.1016/j.mcm.2008.11.008 db/journals/mcm/mcm49.html#NieZ09

Enrique F. Castillo H. Michael Zhang Hesham Rakha Yasuo Asakura Introduction. 75 2008 23 Comput. Aided Civ. Infrastructure Eng. 2 https://doi.org/10.1111/j.1467-8667.2007.00523.x db/journals/cacie/cacie23.html#CastilloZRA08

Yu Marco Nie Jingtao Ma H. Michael Zhang A Polymorphic Dynamic Network Loading Model. 86-103 2008 23 Comput. Aided Civ. Infrastructure Eng. 2 https://doi.org/10.1111/j.1467-8667.2007.00525.x db/journals/cacie/cacie23.html#YuMZ08

Yu Marco Nie H. Michael Zhang Oscillatory Traffic Flow Patterns Induced by Queue Spillback in a Simple Road Network. 236-248 2008 42 Transp. Sci. 2 https://doi.org/10.1287/trsc.1070.0229 db/journals/transci/transci42.html#NieZ08

Behrooz Khorashadi Andrew Chen Dipak Ghosal Chen-Nee Chuah H. Michael Zhang Impact of Transmission Power on the Performance of UDP in Vehicular Ad Hoc Networks. 3698-3703 2007 ICC https://doi.org/10.1109/ICC.2007.609 conf/icc/2007 db/conf/icc/icc2007.html#KhorashadiCGCZ07 Wilfred W. Recker H. Michael Zhang Lianyu Chu Anthony Chen Michael McNally Development of Methods and Tools for Managing Traffic Congestion in Freeway Corridors. 30-37 2006 ITSC https://doi.org/10.1109/ITSC.2006.1706714 conf/itsc/2006 db/conf/itsc/itsc2006.html#ReckerZCCM06 Andrew Chen Behrooz Khorashadi Chen-Nee Chuah Dipak Ghosal H. Michael Zhang Smoothing Vehicular Traffic Flow Using Vehicular-Based Ad Hoc Networking & Computing Grid (VGrid). 349-354 2006 ITSC https://doi.org/10.1109/ITSC.2006.1706766 conf/itsc/2006 db/conf/itsc/itsc2006.html#ChenKCGZ06 Jingtao Ma Yu Marco Nie H. Michael Zhang Accelerating the o-d estimation process for micro simulation: an application of a logit path flow estimator in paramics. 1292-1297 2006 ITSC https://doi.org/10.1109/ITSC.2006.1707401 conf/itsc/2006 db/conf/itsc/itsc2006.html#MaNZ06 Wei Shen Yu Marco Nie H. Michael Zhang Path-based system optimal dynamic traffic assignment models: formulations and solution methods. 1298-1303 2006 ITSC https://doi.org/10.1109/ITSC.2006.1707402 conf/itsc/2006 db/conf/itsc/itsc2006.html#ShenNZ06 Howard CheHao Chang Haining Du Joey Anda Chen-Nee Chuah Dipak Ghosal H. Michael Zhang Enabling Energy Demand Response with Vehicular Mesh Networks. 371-382 2004 conf/mwcn/2004 MWCN https://doi.org/10.1007/0-387-23150-1_32 db/conf/mwcn/mwcn2004.html#ChangDACGZ04 Mani Amoozadeh Joey Anda Yasuo Asakura Alexandre M. Bayen Dong Bian Enrique F. Castillo Huajun Chai Howard CheHao Chang Andrew Chen Anthony Chen Di Chen Dongjie Chen Hao Chen 0003 Shenyang Chen Bryan Ching Lianyu Chu Chen-Nee Chuah Hui Deng Yachao Dong Haining Du Hélène Frankowska Hang Gao Zi-You Gao Ziyou Gao Dipak Ghosal Xiao Han Ammar Haydari Ghazaleh Jafarsalehi Yuhan Ji Bin Jia Rui Jiang 0008 Behrooz Khorashadi Zhengfeng Lai Jean-Patrick Lebacque Karl N. Levitt Jia Li Tienan Li Bojin LiuFred Bojin Liu Jingtao Ma Rui Ma 0009 Jane MacFarlane Michael McNally Amirali Ataee Naeini Yu Marco Nie Kartik Pandit Sean Peisert Xianyue Peng Benedetto Piccoli Arun Raghuramu Hesham A. RakhaHesham Rakha Will ReckerWilfred W. Recker Jeff Rowe Wei Shen Jian Sun 0010 Kai-Jia Sun Xiaoyan SunXiao-Yan Sun Ashkan Teymouri Junfang Tian Hao Wang 0059 Wen-Xu Wang Zhongren Wang 0001 Jian Wu 0007 Kaiteng Wu Ruidong Yan Xinwen Yang Chia-Cheng Yen Bin Yu Mengqiao Yu Boyu Zhang Shi-Teng Zheng Ke Zhu