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

Using Maps and Online Tools to Operationalize Equity in Shared Mobility Services

Amanda Howell Anne Brown
This project translates research into practice through developing two practitioner-ready tools using findings from NITC project #1401 “Mobility for the People: Evaluating Equity Requirements in Shared Mobility Programs”. In “Mobility for the People,” we confirmed our hypotheses that while many US cities implement shared mobility program equity requirements, specific requirements range dramatically. In addition, many requirements are not supported by data collection efforts and evaluation… 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… Read More