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TREC research addresses complex transportation problems by drawing on multiple disciplines, including engineering, planning, economics and design, from across the Portland State University campus. Use the search box at right to search for a specific project.

NOTE: If you're looking for projects from our partner campuses, use the NITC research search.

Research Highlights

Mobility and Accessibility Resilience of Transportation Infrastructures

David Yang
The objective is to address practical challenges related to mobility and accessibility following natural disasters. The anticipated outcome of this project will be to provide actionable insights and solutions that can be implemented in real-world transportation systems. By leveraging the available data from state DOTs and applying analytical techniques, our research will provide valuable insights and recommendations that can be readily implemented by transportation practitioners and stakehold... Read More

Do Travel Costs Matter For Persons With Lower Incomes? Using Psychological and Social Equity Perspectives to Evaluate the Effects of a Low-Income Transit Fare Program on Low-Income Riders

Liu-Qin Yang
Liming Wang , Aaron Golub
In recent years, there has been a nationwide push to move from using cars to using other modes of transportation. The benefits of active transportation (that is, walking, biking, and even using public transit) are widely known. Not only can these modes of transportation increase people’s physical and mental well-being, but they also cut down on the negative effects of cars (like their contributing to greenhouse gas emissions and air pollution). In an effort to encourage more people to use pu... Read More