My research focuses on developing data-driven, intelligent, and sustainable transportation systems through the integration of artificial intelligence, machine learning, advanced analytics, transportation modeling, and emerging mobility technologies.
My work brings together transportation engineering, artificial intelligence and machine learning, operations research, and data analytics to address complex challenges in mobility, transportation safety, traffic operations, connected and autonomous vehicles, public transportation, and transportation system modeling and optimization.
A central goal of my research is to develop innovative methods and technologies that can improve the efficiency, safety, reliability, accessibility, and sustainability of transportation systems while addressing the rapidly changing mobility needs of society.
My research has been supported by agencies and organizations including the U.S. Department of Transportation (USDOT), Federal Highway Administration (FHWA), National Cooperative Highway Research Program (NCHRP), Texas Department of Transportation (TxDOT), and North Carolina Department of Transportation (NCDOT).
Sponsored Research Funding
Peer-Reviewed Journal Articles
U.S. University Collaborations
Global Scientist Recognition
Major Research Leadership Platforms
I develop and apply artificial intelligence, machine learning, statistical methods, and advanced data analytics to transportation problems involving large-scale and complex datasets.
Research topics include:
Machine learning and deep learning for transportation
Artificial intelligence applications in transportation
Travel demand analysis and forecasting
Transportation safety data analytics
Explainable and interpretable machine learning
Discrete choice and behavioral modeling
Traffic and travel-time prediction
Data-driven transportation system analysis
My research investigates how connected, autonomous, and electric vehicle technologies can transform transportation systems and how transportation infrastructure and operations can adapt to these emerging technologies.
Research topics include:
Connected and automated vehicles (CAVs)
Connected vehicle technologies and communications
Autonomous vehicle operations and control
Vehicle trajectory planning and optimization
CAV impacts on traffic flow and capacity
Mixed traffic environments
Electric vehicle mobility and infrastructure
Simulation and performance assessment of emerging vehicle technologies
My transportation safety research combines statistical modeling, machine learning, spatial analysis, and transportation engineering to better understand and predict transportation safety outcomes.
Research topics include:
Crash frequency and severity analysis
Pedestrian and bicyclist safety
Vulnerable road user safety
Large-truck and vehicle safety
Injury-severity modeling
Spatiotemporal safety analysis
Explainable machine learning for safety
Safety implications of emerging vehicle technologies
Transportation system reliability and resilience
I study how different transportation modes and emerging mobility services can be integrated to provide more efficient, accessible, and sustainable mobility.
Research topics include:
Public transportation
Urban rail and bus systems
Transit operations and optimization
Transit signal priority
Shared mobility
Carsharing and bikesharing
Active transportation
Multimodal transportation systems
Emerging mobility services
My research addresses the modeling, optimization, and control of transportation systems at the intersection, corridor, and network levels.
Research topics include:
Traffic flow modeling and simulation
Traffic signal control
Intelligent traffic management
Deep reinforcement learning for traffic control
Variable speed limits and speed harmonization
Managed lanes
Freeway operations
Traffic assignment
Transportation network design
Bottleneck mitigation
Travel-time reliability
Congestion pricing
Transportation system optimization
My research leadership has been supported by major interdisciplinary research programs and centers that bring together faculty, students, transportation agencies, and industry partners.
Director, 2016-2024
The Center for Advanced Multimodal Mobility Solutions and Education (CAMMSE) was a U.S. Department of Transportation University Transportation Center led by UNC Charlotte under the FAST Act.
As Director, I led a multi-university research and education program focused on improving the mobility of people and goods through advanced transportation technologies, methods, and models.
CAMMSE brought together researchers from five universities, transportation agencies, industry partners, and students to conduct interdisciplinary research addressing emerging transportation challenges.
87 research projects
219 journal publications across the consortium
More than 200 students engaged in research
Undergraduate and graduate transportation education and workforce development
Annual research symposium and seminar activities
National dissemination through TRB and other transportation conferences
Research partnerships with universities, government agencies, and industry
[Learn More About CAMMSE → ]
Thrust Leader
The NC Transportation Center of Excellence on Connected and Autonomous Vehicle Technology (NC-CAV) supports interdisciplinary research, education, and technology development related to connected and autonomous transportation systems.
My research leadership within NC-CAV focuses on the development, evaluation, and application of connected and autonomous vehicle technologies, including their impacts on transportation operations, mobility, safety, and infrastructure.
Research activities include:
Connected and autonomous vehicle operations
CAV traffic flow and capacity
Vehicle trajectory planning
Traffic control in connected environments
CAV simulation and impact assessment
Connected infrastructure and intelligent transportation systems
Emerging transportation technologies
[Learn More About NC-CAV → ]
Founding Director
The Smart, Safe & Sustainable Transportation Lab (S³ Transportation Lab) is an interdisciplinary research group at UNC Charlotte focused on developing next-generation transportation systems through the integration of artificial intelligence, data analytics, transportation modeling, and emerging mobility technologies.
The lab brings together graduate and undergraduate students, faculty collaborators, transportation agencies, and industry partners to address real-world transportation challenges.
Smart Transportation
AI, machine learning, data analytics, intelligent transportation systems, and transportation modeling.
Safe Transportation
Transportation safety analytics, vulnerable road users, crash modeling, and safety applications of emerging technologies.
Sustainable Transportation
Public transportation, multimodal mobility, shared mobility, electric vehicles, and sustainable transportation systems.
Connected & Autonomous Mobility
Connected vehicles, autonomous vehicles, intelligent infrastructure, simulation, optimization, and control.
[Visit the S³ Transportation Lab → ]
My current research increasingly focuses on the convergence of artificial intelligence, emerging mobility technologies, transportation safety, and multimodal transportation systems.
Developing machine learning, deep learning, explainable AI, and reinforcement learning methods for transportation prediction, analysis, optimization, and control.
Investigating connected and autonomous vehicles, intelligent infrastructure, vehicle-to-infrastructure communication, and emerging approaches to transportation system management.
Using advanced statistical and machine-learning methods to better understand crash occurrence, injury severity, vulnerable road user safety, and the safety implications of changing vehicle fleets and transportation environments.
Developing data-driven methods for improving transit operations, rail and bus system efficiency, multimodal mobility, and integration among emerging transportation services.
Developing optimization and control approaches for traffic signals, freeway operations, transit operations, transportation networks, and transportation system reliability.
My research portfolio includes projects supported by federal, state, university, and industry sponsors.
AI and Machine Learning for Transportation Prediction and Decision-Making
Developing data-driven models for travel-time prediction, traffic forecasting, transportation safety analysis, and transportation system optimization using machine learning and explainable AI.
Connected and Autonomous Vehicle Operations and Impact Assessment
Investigating vehicle trajectory planning, CAV market penetration, intersection capacity, traffic operations, mixed traffic environments, and the mobility and environmental impacts of connected and autonomous vehicles.
Deep Reinforcement Learning for Traffic Operations and Control
Developing reinforcement-learning approaches for traffic signal control, variable speed limits, speed harmonization, transit signal priority, and coordinated traffic management.
Data-Driven Modeling of Transportation Safety and Injury Severity
Applying advanced statistical and machine-learning methods to investigate crash patterns and injury severity involving pedestrians, bicyclists, large trucks, and other road users.
Data-Driven Optimization of Transit and Rail Operations
Developing optimization and machine-learning approaches for bus operations, transit priority, rail scheduling, train composition, passenger-flow analysis, and transportation network reliability.
Emerging Mobility and Multimodal Transportation Systems
Investigating shared mobility, active transportation, public transit, electric mobility, and the integration of emerging transportation services into multimodal transportation networks.
My research has resulted in a broad portfolio of scholarly publications, sponsored research projects, student training, and collaborations with transportation agencies and universities.
150+ peer-reviewed journal articles
Publications in leading transportation, engineering, artificial intelligence, safety, and operations research journals
Research spanning transportation engineering, AI/ML, CAVs, transportation safety, public transportation, traffic operations, and network modeling
Recognized among the top 2% of scientists worldwide in the 2024 and 2025 Stanford/Elsevier rankings
More than $17.35 million in total project funding has supported my research activities as Principal Investigator or Co-Principal Investigator.
Sponsors and partners have included:
USDOT • FHWA • NCHRP • SHRP2 • TxDOT • NCDOT • UNC Charlotte • Transportation Industry Partners
An important component of my research program is the education and mentoring of undergraduate, master's, and doctoral students.
Students working with my research group gain experience in:
Transportation engineering
Artificial intelligence and machine learning
Data analytics
Statistical modeling
Transportation simulation
Optimization
Transportation safety
Connected and autonomous vehicles
Public transportation
Scientific writing and publication
Transportation challenges increasingly require interdisciplinary and collaborative approaches.
I have collaborated with researchers at 40+ U.S. universities, as well as national and international researchers, transportation agencies, and industry partners.
My collaborations span:
Transportation Engineering
Artificial Intelligence & Data Science
Civil & Environmental Engineering
Operations Research
Computer Science
Urban Planning
Public Transportation
Connected & Autonomous Vehicles
Transportation Safety
I welcome collaborations that combine transportation expertise with emerging technologies, data science, AI, and interdisciplinary approaches to address important mobility challenges.
My research has produced 150+ peer-reviewed journal publications covering a broad range of transportation topics.
Major publication areas include:
Artificial intelligence and machine learning
Connected and autonomous vehicles
Transportation safety
Public transportation and rail
Traffic operations and control
Shared and multimodal mobility
Transportation networks and optimization
Travel demand and behavioral modeling
[View Journal Publications → ]
[View Google Scholar Profile → ]
I am interested in working with motivated students, researchers, transportation agencies, and industry partners who are passionate about advancing transportation through data, technology, and innovative engineering approaches.
Students interested in pursuing graduate research in transportation engineering, AI/ML, transportation safety, CAVs, public transportation, traffic operations, or transportation modeling are encouraged to explore current opportunities.
[Graduate Research Opportunities → ]
I welcome opportunities for collaborative research with universities, government agencies, transportation organizations, and industry partners.
[Contact Me → ]
My long-term research vision is to help develop transportation systems that are smarter, safer, more efficient, more reliable, and more sustainable through the integration of transportation engineering, artificial intelligence, data analytics, and emerging mobility technologies.
"Research is what I'm doing when I don't know what I'm doing." - Wernher von Braun