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
Evaluation of Different Curb Extension Treatments for Pedestrian Comfort and Safety at Intersections
Nathan McNeil Sirisha Kothuri
In a project funded by the The District Department of Transportation (DDOT), Portland State University is partnering with the University of North Carolina at Chapel Hill to document and identify factors associated with road user safety and comfort at intersections with permanent versus tactical (both with and without mural art) curb extensions, as well as a set of control locations with no curb extensions. DDOT has over the last few years installed several curb extension treatments on different…
Read More
Maternal Mental Health and Keetoowah Women: Past, Present, and Future
December Maxwell
American Indian/Native American (AI/NA) women experience postpartum depression (PPD) at a disproportionate rate. Poor transportation services and systems increase the risk of PPD prevalence in AI/NA populations, particularly since those in more rural areas have a marked deficit in reliable, safe, and affordable transportation. Little research exists exploring the specific experiences of Native women during the postpartum period relating transportation barriers and use to their culture, birthing…
Read More

