Portland State University embraces 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 transportation research faculty and staff, but you can find our comprehensive list of contributors in our Researcher Directory.
Jason Anderson, Ph.D.
Research Associate, Civil & Environmental Engineering
jason.c.anderson@pdx.edu
Researcher Profile
Jason Anderson is a research associate at Portland State University. Dr. Anderson’s current area of research include: transportation safety modeling, spatial econometrics and statistics, and big data analysis focusing on various concepts (e.g., traffic flow, travel time, freight commodity analyses, methodological approaches, etc.). Dr. Anderson’s methodological expertise offers unique opportunities to conduct research in various fields, including water resources and waste management, construction management, structural engineering, and social/behavior sciences. He is especially interested in emerging technologies and data fusion techniques as it pertains to smart vehicles, infrastructure, cities, and their impacts on safety.
Tanmoy Bhowmik, Ph.D.
Assistant Professor, Civil & Environmental Engineering
t.bhowmik@pdx.edu
Researcher Profile
Dr. Tanmoy Bhowmik joined the Department of Civil and Environmental Engineering at Portland State University as an Assistant Professor in Fall of 2023. Prior to that, he worked as a post-doctoral associate and graduate faculty scholar at University of Central Florida. Dr. Bhowmik's research primarily focused on the formulation and development of statistical and econometric models and applying them to different transportation sectors - including transportation planning, safety, and energy - to understand the underlying behavioral patterns and decision processes. His ongoing work deals with analyzing the impact of emerging technologies (electric and connected vehicles) on transportation environments, public health, and energy consumption. Dr. Bhowmik is currently a member of the editorial board of Frontiers in Future Transportation, and serves as a panel member in two NCHRP projects.
Joseph Broach, Ph.D.
Researcher Modeler, Oregon Metro
Research Associate, College of Urban & Public Affairs
jbroach@pdx.edu
Twitter | Website | Researcher Profile
Joseph Broach is a ​Research Associate with the Transportation Research and Education Center (TREC), an Instructor in the School of Urban Studies and Planning at Portland State University, and a Senior Researcher and Modeler at Metro (MPO). H​is work primarily ​focuses ​on transportation data​, behavior,​ and modeling, and ​he ​helped design the ​Portland region's ​next-generation bicycle model in conjunction with Metro.​
Joe'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.
Jennifer Dill, Ph.D.
Director, Transportation Research and Education Center (TREC)
Professor, Urban Studies and Planning
jdill@pdx.edu
Twitter | Website | Researcher Profile
Dr. Jennifer Dill is a professor in the Nohad A. Toulan School of Urban Studies and Planning at Portland State University (PSU) and Director of the Transportation Research and Education Center (TREC) at PSU. TREC houses the National Institute for Transportation and Communities (NITC), which she also directs. NITC is a national university transportation center funded by the US Department of Transportation focusing on improving mobility for people and goods to build stronger communities. Dr. Dill also serves on the Board of Trustees for the TransitCenter, a New York-based foundation that works to improve public transit in cities across the U.S. Professor Dill is an internationally known scholar researching the relationships between transportation, land use, health and the environment, focusing on active transportation. Before entering academia, Professor Dill worked as an environmental and transportation planner in California. That experience motivates her teaching and research, which aims to inform practice and policy. She has published extensively in peer-review journals and has served as principal investigator or co-PI on over $4.3M in research projects and over $28M in federal center funding. Her research has been covered by Wired, Governing, USA Today, the PBS NewsHour, Here and Now, Marketplace and the Atlantic. She has served on and chaired Transportation Research Board committees and is on the editorial boards of the Journal of Transportation and Health, Transportation Research Record and the Journal of Transportation and Land Use. Professor Dill also serves on the Board of Trustees for the TransitCenter, a foundation that works to improve public transit across the U.S. Prior to entering academia, Dr. Dill worked as an environmental and transportation planner in California. Dr. Dill has a Ph.D. in City and Regional Planning from UC Berkeley, an MA in Urban Planning from UCLA, and a BS in Environmental Policy Analysis and Planning from UC Davis. She is also an aluma of the Eno Future Leaders program.
Notable research projects include 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. Read a 2021 interview: Looking Back on Twenty Years of Transportation Research with Dr. Jennifer Dill.
Peter Dusicka
Associate Professor, Department of Civl and Environmental Engineering
dusicka@pdx.edu
Researcher Profile
Dr. Peter Dusicka is Professor and Chair of Civil and Environmental Engineering in the Maseeh College of Engineering & Computer Science at Portland State University. His primary research interests are in earthquake structural engineering, focusing on infrastructure resilience. Dr. Dusicka also manages iSTAR (infraStructure Testing and Applied Research) Laboratory, an on-campus facility for large scale experiments including real time shake table tests.
Aaron Golub, Ph.D.
Director, Nohad A. Toulan School of Urban Studies and Planning
Professor, Urban Studies and Planning
agolub@pdx.edu
Twitter | Researcher Profile
Dr. Golub is an associate professor and director of the Toulan School of Urban Studies and Planning at Portland State University. His work focuses on the social equity impacts of current transportation planning practices – how people participate in planning, and who wins and loses from transportation plans and investments. Dr. Golub teaches courses on urban transportation policy, planning research methods, transportation finance and public transportation.
His research explores policy, finance, environmental justice, public transportation, sustainability, bicycle transportation, social change, the Distributional Effects of Regional Transportation Plans and Projects, Applying an Equity Lens to Automated Payment Solutions for Public Transportation, and more.
Arash Khosravifar
Assistant Professor, Civil & Environmental Engineering
akhosravifar@pdx.edu
Researcher Profile
Dr. Arash Khosravifar joined the Geotechnical Engineering group in Civil and Environmental Engineering Department at Portland State University (PSU) in December 2015. Prior to joining PSU, he worked for Fugro Consultants Inc. in California where he worked on seismic hazard studies for transportation projects (bridges) and energy developments (oil and gas, wind turbines). He obtained his Ph.D degree from University of California, Davis where he conducted research on analysis and design of piles in liquefied soils.
Sirisha Kothuri, Ph.D.
Senior Research Associate, Maseeh College of Engineering and Computer Science
skothuri@pdx.edu
Twitter | Researcher Profile
Sirisha Kothuri, Ph.D. is a senior research associate in the Department of Civil and Environmental Engineering at Portland State University. Dr. Kothuri’s primary research interests are in the areas of multimodal traffic operations, bicycle and pedestrian counting, and safety. Dr. Kothuri is the research co-chair of the Transportation Research Board’s Pedestrians Committee (ANF10) and the Bicycle and Pedestrian Data Subcommittee (ABJ 35(3)) and a member of Traffic Signal Systems committee. Dr. Kothuri received her BCE from Osmania University, India, MSCE from Louisiana State University, Baton Rouge and Ph.D. from Portland State University.
Dr. Kothuri's research includes investigations into Incorporating Pedestrian Considerations into Signal Timing, Improving Walkability Through Control Strategies at Signalized Intersections, Addressing Bicycle-Vehicle Conflicts with Alternate Signal Control Strategies and Improving Bicycle Crash Prediction.
Jenny Liu, Ph.D.
Associate Professor, Urban Studies and Planning
jenny.liu@pdx.edu
Researcher Profile
Jenny Liu is an associate professor of urban studies and planning at Portland State University. She is an environmental and resource economist with a focus in transportation economics. Her research interests include the economics of alternative energy sources, links between transportation choices and environmental issues, the effects of physical infrastructure networks and social networks on the adoption of transportation technologies, and technology adoption and its effects on climate change, particularly within the urban and development contexts.
Dr. Liu's research has looked into Understanding the economic impacts of urban greenway infrastructure, Measuring the Impacts of Social Media on Advancing Public Transit, and the Economic and Business Impacts of Street Improvements for Bicycle and Pedestrian Mobility.
John MacArthur
Sustainable Transportation Program Manager, Transportation Research & Education Center (TREC)
macarthur@pdx.edu
Twitter | Researcher Profile
Mr. John MacArthur is the Sustainable Transportation Program Manager at TREC at Portland State University and an instructor in civil and environmental engineering, teaching on new & emerging technologies in transportation. He is active in research related to sustainable and equitable transportation, particularly in the areas of emerging tech such as e-bikes, bike share, transit, and the relationship between transportation and public health. Mr. MacArthur is the Section Chair for Transportation Research Board’s AME00 Transportation and Society and a member of Innovative Public Transportation Services and Technologies (AP020). He received his BS in Civil Engineering from Lehigh University and a MS in Environmental Health Sciences from the School of Public Health at the University of Michigan.
MacArthur is the Principal Investigator for TREC's electric bicycle research initiatives. His research also includes low-/no-emission vehicle infrastructure in Portland metro, as well as a climate change impact assessment for surface transportation in the Pacific Northwest and Alaska. Before joining the TREC staff, John was the Context Sensitive and Sustainable Solutions Program Manager for the Oregon Department of Transportation’s OTIA III State Bridge Delivery Program.
Nathan McNeil
Research Associate, Transportation Research & Education Center (TREC)
nmcneil@pdx.edu
Twitter | Researcher Profile
Nathan McNeil is a Research Associate at Portland State University's Center for Urban Studies. He conducts research on impacts of active transportation and transit equity, on new bicycle infrastructure and programs on travel behavior and attitudes towards cycling, on shared-use mobility programs including carsharing and bike-share, and on the connection between land-use and transportation. He was Co-Principal Investigator on recent national studies of bike share equity (Breaking Barrier to Bike Share and National Scan of Bike Share Equity Programs) and of protected bike lane implementations (Lessons from the Green Lanes). Nathan received a master of urban and regional planning from Portland State University (PSU) and studied history at Columbia University as an undergraduate. Prior to PSU, Nathan worked for the Metropolitan Transportation Authority in New York City as a performance auditor where he evaluated capital programs and contractors.
Nathan's research has looked into Evaluating Efforts to Improve the Equity of Bike Share Systems, Contextual 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.
Christopher Monsere, Ph.D.
Department Chair & Professor, Civil and Environmental Engineering
monsere@pdx.edu
Twitter | Website | Researcher Profile
Dr. Christopher M. Monsere is Professor and Chair of Civil and Environmental Engineering in the Maseeh College of Engineering & Computer Science at Portland State University. Dr. Monsere's primary research interests are in design and operation of multimodal transportation facilities including user behavior, comprehension, preferences, and the overall safety effectiveness of transportation improvements. Dr Monsere is a member of ANF20, the Bicycle Transportation Committee, the past co-chair of the Transportation Research Board's Safety Data, Analysis, and Evaluation committee (ANB20) and a past member of the TRB Task Force to develop the Highway Safety Manual (ANB25T). Monsere received his BCE from the University of Detroit Mercy; his MSCE and Ph.D.with an emphasis in transportation from Iowa State University. Dr. Monsere is a licensed professional engineer in the state of Oregon.
Dr. Monsere's research efforts include Improving Walkability Through Control Strategies at Signalized Intersections, Improving Adaptive Response Signal Control Performance, and Effective Design Treatments for Right-Turns at Intersections with Bicycle Traffic .
Diane Moug
Assistant Professor Civil and Environmental Engineering
dmoug@pdx.edu
Researcher Profile
Diane Moug is an Assistant Professor in the Civil & Environmental Engineering department at Portland State University. She joined the department in 2017 after earning her PhD from the University of California, Davis. Her research focuses on how to improve in-situ testing for characterization of geotechnical soil properties and engineering behavior. Her research has a particular focus on improving geotechnical engineering methods with the cone penetration test for characterizing earthquake behavior of soils, and characterizing non-standard soil types. Her work has included studies of diatomaceous soils in Oregon, soils treated with microbially induced desaturation, and intermediate soils.
Thomas Schumacher
Associate Professor, Civil & Environmental Engineering
thomas.schumacher@pdx.edu
Researcher Profile
Dr. Schumacher’s research is on non-destructive evaluation (NDE) and management of civil infrastructure with a focus on concrete structures. He is interested in stress wave and vibration-based techniques such as acoustic emission and ultrasonic monitoring and impulse response testing, respectively. Additionally, he has been collaborating with faculty at the University of Delaware to develop a novel distributed carbon nanotube (CNT)-based sensor that can be integrated with structural composites to form a self-sensing reinforcement to repair and rehabilitate concrete and steel structures. Finally, he is interested in video-based techniques to monitor structural motion. His additional research interests include the behavior and durability of concrete structures, bridges subject to wave forces, imaging and data fusion, data analysis and signal processing, and civil infrastructure asset management. Dr. Schumacher is the chair of ACI Committee 444 - Structural Health Monitoring and Instrumentation and a registered professional engineer (PE) in Delaware. He offers courses on structural analysis, vibrations and structural dynamics, matrix structural analysis, prestressed concrete, and sensing and monitoring for structures.
Liming Wang, Ph.D.
Associate Professor, Urban Studies and Planning
limwang@pdx.edu
Researcher Profile
Liming Wang is an assistant professor in PSU's Toulan School of Urban Studies & Planning. He teaches courses in Travel Demand Modeling, Transportation and Land Use, and Data Analysis Methods. His research takes a data-driven approach to address challenging issues in planning, in particular those intersecting land use and transportation. His recent research projects include data integration techniques for transportation and land use modeling, development and evaluation of comprehensive performance measures for transportation and land use systems, and regional strategic planning tools.
Dr. Wang has conducted research on Continuous Data Integration for Land Use and Transportation Planning and Modeling, Evaluating 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.
David Yang, Ph.D.
Assistant Professor, Civil & Environmental Engineering
david.yang@pdx.edu
Researcher Profile
Dr. David Yang is an Assistant Professor in the Department of Civil and Environmental Engineering at Portland State University. He joined the department in Fall 2020, after working as a postdoctoral researcher at Lehigh University. His research strives to advance effective and efficient management for structures and infrastructure systems, primarily through the integration of structural engineering and probabilistic machine learning methods. He has extensive experience in structural reliability analysis and calibration, risk management for transportation infrastructure networks, and probabilistic life-cycle management for deteriorating structures. His ongoing work deals with (a) robust climate adaptation strategies for vulnerable structures and infrastructure systems and (b) probabilistic machine learning for infrastructure metamodeling and optimum management. Additional research areas include sustainability and resilience of structures, decision-making under uncertainty, and climate change impact on infrastructure and communities. He serves in the ASCE/SEI Task Group 1 on Life-cycle Performance of Structural Systems.
Brady Hilgenberg
Evan Howington
Kyu Ri Kim
Allison Kirkpatrick
Julay Leatherman-Brooks
Jiahui Ma
