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
Communicating Research through Comics: Transportation and Land Development
Kelly Clifton
Kristina Currans
This project created a transportation comic, "Moving From Cars To People," which offers a succinct and fun introduction to a complicated topic: namely, how the built environment in the United States came to be designed for cars and what we can do about it.
The comic includes a dialogue, taking place in various urban settings, between characters Kelly and Kristi who are based on the two principal investigators, Kelly Clifton and Kristina Currans. The two have a long history of collaboration...
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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 th...
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