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.

Research Highlights

Examining the Impact of Transportation- Related Barriers on Self-Perceived Physical Health among Adults in the United States

Philip Baiden Godfred Boateng , Stephen Mattingly
What is the relationship between access to transportation and our own perception of physical health? That's the question researchers explored in the latest report funded by the National Institute for Transportation and Communities (NITC), "Examining the Impact of Transportation- Related Barriers on Self-Perceived Physical Health among Adults in the United States." Specifically looking at household car ownership, the study found that having access to a vehicle correlated with better self… Read More

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 aimed… Read More