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

Marginalized Populations’ Access to Transit: Journeys from Home and Work to Transit

Marisa Zapata Ivis Garcia , Amy Lubitow , Miriam Abelson
Previous scholarship has shown that low-income individuals who also might identify as racial, ethnic, and gender minorities (such as transgender and gender nonconforming) are more likely to be dependent on public transportation. What remains understudied is how these marginalized groups, given their intersectional identities of oppression, might experience transit. The primary research question guiding this project is how do people with intersecting marginal identities experience social… Read More

What do we know about Location Affordability in U.S. Shrinking Cities?

Joanna Ganning Keith Bartholomew , J. Rosie Tighe
This research led the Department of Housing and Urban Development (HUD) to rethink the way they use their Location Affordability Index (LAI). From Josh Geyer, Office of Environment and Energy, High-Performance Buildings Team, U.S. Department of Housing and Urban Development: "Dr. Ganning’s thorough and convincing analysis of the strengths and weaknesses of the Location Affordability Index led HUD to rethink using Census block groups as the geographical unit of analysis. As a result, Version 3… Read More