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

The Impact of Ride Hail Services on the Accessibility of Nonprofit Services

Dyana Mason
Ride hailing services (such as Lyft and Uber) are frequently pointed to as a means of filling mobility gaps in a transportation system, especially in areas that are not well-served by transit. How might nonprofit organizations address the mobility needs of their clients through ride hailing (also known as Transportation Network Companies, or TNCs)? Many people who use nonprofit services (e.g. food assistance, social services, health care or educational support) also experience transportation… Read More

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