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
Active Travel Behavior and Spatial-Temporal Land Use Mixing
Steven Gehrke
Urban policies have emphasized the importance of land use mixing as an intervention beholding of lasting planning and public health benefits. Transportation planners have identified potential in efficiency gains achieved by increasing land use mix and the subsequent shortening of trip lengths; whereas, public health research has accredited increased land use mixing as an effective policy for facilitating greater physical activity. However, despite the myriad benefits and extent of topical res...
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Active Transportation Return on Investment Study
Jennifer Dill
Jenny Liu , Marisa Zapata
The Active Transportation Return on Investment (ATROI) study aimed to provide a quantitative and qualitative assessment of the benefits of active transportation infrastructure in the Portland, OR region. The study used a selection of projects constructed in the region between 2001 and 2017 to evaluate impacts, with a focus on economic impacts, broadly defined. Two types of projects are included. 2040 catalyst projects retrofitted busy commercial streets with pedestrian friendly treatments aim...
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