Core Researchers

Portland State University's core transportation faculty are regarded as national and international experts in their fields.

Kelly Clifton

Professor of civil and environmental engineering, 2016 Fulbright Scholar, and major contributer to multimodal modeling.

She has led research efforts into Contextual Influences on Trip Generation, Examining Consumer Behavior and Travel Choices, the Development of a Pedestrian Demand Estimation Tool and more.

Jennifer Dill

Director of TREC, director of the NITC program, professor of urban studies and planning, and internationally cited researcher on sustainable transportation topics

Among her research projects are Lessons from the Green Lanes: Evaluating Protected Bike Lanes in the U.S.,  Understanding Types of Cyclists Nationally, Pedestrian Observation and Data Collection Curriculum and more.

Miguel Figliozzi

Professor of civil and environmental engineering, director of the Transportation Technology and People (TTP) research lab, widely cited scholar and member of the Transportation Research Board Network Modeling Committee and Transportation and Logistics Committee.

His research investigates things like the Impact of Advanced Technologies on Livability and Multimodal Transportation Performance Measures in Arterial CorridorsExploiting New Data Sources to Quantify Arterial Congestion and Performance Measures at a Regional Scale, and more.

Aaron Golub

Professor of urban studies and planning, investigator of the social contexts of urban transportation systems and advocate of alternatives to the automobile.

His research explores policy, finance, environmental justice, public transportation, sustainability, bicycle transportation, social change, the Distributional Effects of Regional Transportation Plans and Projects, Planning for livable communities, and more.

Jenny Liu

Assisant professor of urban studies and planning, assistant director of the Northwest Economic Research Center, and noted environmental and resource economist.

Her research has looked into Understanding the economic impacts of urban greenway infrastructureMeasuring the Impacts of Social Media on Advancing Public Transit, the Economic and Business Impacts of Street Improvements for Bicycle and Pedestrian Mobility and more.

Christopher Monsere

Associate professor of civil and environmental engineering, chair of Civil and Environmental Engineering at PSU, and nationally cited researcher into multimodal safety.

His research efforts include Improving Walkability Through Control Strategies at Signalized IntersectionsImproving Adaptive Response Signal Control PerformanceEffective Design Treatments for Right-Turns at Intersections with Bicycle Traffic and more.

Avi Unnikrishnan

Associate professor of civil and environmental engineering and member of the Transportation Research Board (TRB) Network Modeling Committee, Traffic Flow Theory Committee, and the ASCE Intermodal and Logistics Committee.

He has contributed to Stochastic and Dynamic Hyperpath Equilibrium Models, Preventing End of Queue Accidents, and the development of a transportation undergradute research fellowship, a program designed to equip engineering undergraduate students with critical thinking and research skills relevant to transportation engineering and planning with a livability theme.

Liming Wang

Assistant professor of urban studies and planning, data-driven researcher into land use and transportation planning, and developer of the Transportation Cost Index (TCI), a comprehensive performance measure for transportation and land use systems.

He has conducted research on Continuous Data Integration for Land Use and Transportation Planning and ModelingEvaluating and Enhancing Public Transit Systems for Operational Efficiency, Service Quality and Access Equity, and more.