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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

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... Read More

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... Read More