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
Exploring the positive utility of travel and mode choice
Patrick Singleton
Traditionally, travel is considered a disutility to be minimized, and travel demand is derived from activity demand. Recently, scholars have questioned these axioms, noting that some people may like to travel, use travel time productively, find other benefits in traveling, or travel for non-utilitarian reasons. These are instances of “the positive utility of travel” (PUT). In this dissertation, I conceptually and empirically investigate PUT, its determinants, and its impacts on travel behavio...
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National Scan of Bike Share Equity Programs
John MacArthur
Nathan McNeil , Joe Broach
As bike share systems around the United States have grown in number and size in recent years, there has been an increasing effort to ensure that those systems are accessible to all residents, particularly those who have the fewest resources or have been underserved in the past. The mobility landscape in 2019 is rapidly changing, with scooter and e-bike systems along with ride-hailing and ride-sharing companies contributing to a new and uncharted urban transportation scene. Meanwhile, bike sha...
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