Core Researchers

We embrace interdisciplinary research by exploring the unique ways in which transportation intersects with so many aspects of our daily lives. Below are the core of our research faculty and staff, but you can find our comprehensive list of contributors in our Researcher Directory.


Kelly Clifton
Professor, Civil and Environmental Engineering

kclifton@pdx.edu
http://kellyjclifton.com/
Twitter | TREC Researcher Profile

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, Ph.D.
Director, Transportation Research and Education Center (TREC)
Interim Vice President, Research and Strategic Partnerships at Portland State University
Professor, Nohad A. Toulan School of Urban Studies and Planning
503-725-5173 | jdill@pdx.edu
https://jenniferdill.net/
Twitter | TREC Researcher Profile

Director of TREC and the National Institute for Transportation and Communities (NITC), Jennifer is also a professor of urban studies and planning. Currently serving as Interim Vice President of Research at Portland State University, she is an internationally cited researcher on sustainable transportation. 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. See her researcher profile here.


Miguel Figliozzi
Professor, Civil and Environmental Engineering

figliozzi@pdx.edu
TREC Researcher Profile

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
Director and Associate Professor, Nohad A. Toulan School of Urban Studies and Planning

agolub@pdx.edu
TwitterTREC Researcher Profile

Aaron's 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, Ph.D., College of Urban & Public Affairs

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

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


Christopher Monsere, Ph.D., Maseeh College of Engineering and Computer Science

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

Christopher Monsere's research efforts include Improving Walkability Through Control Strategies at Signalized IntersectionsImproving Adaptive Response Signal Control Performance, and Effective Design Treatments for Right-Turns at Intersections with Bicycle Traffic .


Avi Unnikrishnan, Ph.D., Maseeh College of Engineering and Computer Science

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.

Avi Unnikrishnan 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, Ph.D., College of Urban & Public Affairs

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.

Liming Wang 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 the development of a data science course, Introduction to Scientific Computing for Planners, Engineers, and Scientists.


Nathan McNeil, Ph.D., College of Urban & Public Affairs

Research Associate

Nathan McNeil's research has looked into Evaluating Efforts to Improve the Equity of Bike Share SystemsContextual Guidance at Intersections for Protected Bicycle Lanes and Bicycle and Pedestrian Traffic Monitoring Data Quality, among others. He also worked on the FTA Manual on Pedestrian and Bicycle Connections to Transit, published in 2017.


Sirisha Kothuri, Ph.D., Maseeh College of Engineering and Computer Science

Research Associate

Sirisha Kothuri's research includes investigations into Incorporating Pedestrian Considerations into Signal TimingImproving Walkability Through Control Strategies at Signalized IntersectionsAddressing Bicycle-Vehicle Conflicts with Alternate Signal Control Strategies and Improving Bicycle Crash Prediction.


Joseph Broach, Ph.D., College of Urban & Public Affairs

Research Associate

Joe Broach's research projects include Incorporate Emerging Travel Modes in the Regional Strategic Planning Model (RSPM) Tool, Transferability & forecasting of the Pedestrian Index Environment (PIE) for modeling applications, and Travel Mode Choice Framework Incorporating Realistic Bike and Walk Routes.