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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.

NOTE: If you're looking for projects from our partner campuses, use the NITC research search.

Research Highlights

Human Wayfinding

Amy Parker
The Tri-County Metropolitan Transportation District Of Oregon (TriMet) is in need of specialized support to improve and promote effective resources in human wayfinding and navigation at its transit centers. Areas of need include, but are not limited to: 1. Tactile Maps: Providing tactile spatial information accessible to people who are blind or low vision. 2. Written descriptions of stations and routes: information needed by people who are blind or low vision, to allow independent mobil... Read More

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 differe... Read More