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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.

Research Highlights

Optimizing Housing and Service Locations to Provide Mobility to Meet the Mandated Obligations for Former Offenders to Improve Community Health and Safety

Anne Nordberg Stephen Mattingly , Jaya Davis
Imagine you've just been released from prison. You don't have a phone yet, or a car, but through your reentry service, you are set up for now with a place to stay. They also got you a job interview for next Monday, but it's across town. You also have mandatory mental health, medical health, and parole-related appointments to make it to this week, so right now— transportation is your biggest problem. You have three complementary bus tickets, and you need to figure out the best way to use them. … 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… Read More

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