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
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...
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Do TODs Make A Difference? Phase 2
Arthur C. Nelson
Reid Ewing , Jenny Liu
The United States is moving into a new era of metropolitan development and form. The demographic, economic and finance drivers that made America a suburban nation may have run their course. America will see a shift toward infill and redevelopment. Facilitating this will be fixed-guideway transit systems and the transit oriented developments (TODs) they serve. In this report, we present research that measures the outcomes of TOD areas in relation to their metropolitan area controls with respec...
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