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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

Advancing Transportation Resilience and Recovery Collaborations in the Greater Portland Metro Region

John MacArthur
Portland State University (PSU)’s Transportation Research and Education Center (TREC) and the Regional Disaster Preparedness Organization (RDPO), supported by the City of Portland’s Bureau of Emergency Management (PBEM), are collaborating on a project to 1) raise awareness, deepen knowledge and increase motivation among RDPO local, regional and state transportation, emergency management, and other relevant partners and stakeholders on transportation recovery planning, including how to develop... Read More

Preliminary Analysis of Speed Limit Changes in Eastern Oregon

Christopher Monsere
Sirisha Kothuri
This report is the third in a series of reports examining issues in Oregon related to changes in posted speed limits. In 2004, a comprehensive report, “Impacts and Issues Related to Proposed Changes in Oregon’s Interstate Speed Limits1 ,” was prepared. An update to the most important literature in the report was updated in 2017’s “Update to Issues Report for Interstate Speed Changes2 .” Readers are referred to these reports for a review of the scientific literature related to changing speed l... Read More