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
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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Understanding Types of Cyclists Nationally
Jennifer Dill
Nathan McNeil
Transportation professionals who are developing plans and projects that aim to change people’s travel behavior – such as getting more people to bicycle – need to understand the people they are targeting. To do so, planners and researchers have developed typologies of cyclists; however, many of these typologies are based upon surveys of current cyclists and, therefore, are of limited use in planning to attract new people to bicycling for transportation. One exception is the “Four Types of Cycl...
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