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

Strategies to Address Homelessness at Airports (ACRP 03-59)

John MacArthur Marisa Zapata
There has been an increase in the number of homeless individuals at airports in recent years. There are many reasons for this increase, including a reduced number of city shelters and the attractiveness of airports for homeless people due to their relative safety, transit accessibility, climate controlled shelter, and access to food and amenities. Responses to homeless people at airports have varied. Many airports wrestle with how to balance their primary function of serving the traveling… Read More

Promoting Environmental Justice Populations’ Access to Opportunities within Suburban Boomtowns: An Interdisciplinary, Mixed-Methods Approach to Addressing Infrastructure Needs

Jandel Crutchfield Courtney Cronley , Kate Hyun
In the last twenty years, the population increased over 100% in Collin County, Texas. The county is projected to have over 2.4 million residents by 2050 -- more than three times its population in 2010. When enough people flock to an area to call it a boomtown, the population tends to grow much faster than the infrastructure to support it. Where does that leave mobility options for residents? Researchers from the University of Texas at Arlington's (UTA) School of Social Work and College of… Read More