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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.

Research Highlights

Evaluating Efforts to Improve the Equity of Bike Share Systems

Nathan McNeil John MacArthur , Jennifer Dill , Joe Broach
BREAKING BARRIERS TO BIKE SHARE: Insights on Equity. Public bike share systems have rapidly expanded across the United States in recent years. However, there is evidence that significant portions of the population are underrepresented among bike share users, including people of color, along with lower-income, female, older adults and less-educated groups. Lack of bike share stations in neighborhoods with people of color and/or lower incomes is one factor, but does not completely explain the… Read More

GIS Training in Transportation And Environmental Justice for Promoting Student Success in STEAM Education

Joowon Im Alan Klein
Transportation can have a significant impact on vulnerable ecologies, especially in rapidly urbanizing regions such as Dallas/Fort Worth. In order for future professionals to balance the needs of sensitive environments with the mobility of people and goods, they must have the proper tools – among other things, a good grounding in regional mapping technologies. To introduce high school students to geographic information systems (GIS) and spatial reasoning skills, researchers at the University… Read More

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