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

Expanding Development of the Oregon Traffic Safety Data Archive: Phase 3

Christopher Monsere
As early as 1924, the need for safety-knowledge was recognized. At a national conference on street and highway safety it was reported that safety data “are so vital to any comprehensive understanding and treatment of the safety problem that their collection and analysis in every State and community are essential" (Griffith, 2003). Many decades later, this simple statement has, in-fact, taken on increased significance. In the age of information, the challenge is now to make effective decisi... Read More

Evaluating and Enhancing Public Transit Systems for Operational Efficiency, Service Quality and Access Equity

Ran Wei
Liming Wang , Aaron Golub , Thomas Cova
Regular assessment and improvement of the performance of public transit systems are essential for transit service providers given limited funding and growing public needs. Performance evaluation can help transit agencies identify underperforming services, plan for potential investments, justify investments, and communicate accomplishments and challenges. However, the evaluation of transit system performance is complex and challenging due to the diverse and competing goals of a public transpor... Read More