RESEARCH AREAS OF SPECIALTY

Transportation Planning
Activity-based models, micro-simulation frameworks, policy evaluation of transportation congestion pricing measures
Integrated Socio-Demographic and Land-Use Modeling
Population updating microsimulation systems, self-selection in residential location choice, long-term residential mobility and explicit incorporation of built environment
Sustainable Urban Design
Studying influence of urban form on bicycle use, and understanding bicycle route choice behavior, bicycle sharing system usage, public transportation ridership, examining physical activity participation determinants and non-traditional work participation behavior
Activity Time-Use
Studying activity participation, time-use and activity-travel pattern attributes
Transportation Safety
Traffic crash analysis of driver injury severity, pedestrian and bicyclist injury severity, and highway-railway collision safety
Integrating Travel Demand and Supply Models
Integrating Activity-Based frameworks and Dynamic Traffic Assignment modules for travel forecasting and evacuation planning
Advanced Econometric Modeling
Discrete choice models accounting for self-selection, generalized ordered logit models, stated preference studies, multiple discrete-continuous frameworks, copula models, and composite likelihood approaches