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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

Strategies to Address Homelessness at Airports (ACRP 03-59)

John MacArthur
Marisa Zapata
There has been an increase in the number of homeless individuals at airports in recent years. There are many reasons for this increase, including a reduced number of city shelters and the attractiveness of airports for homeless people due to their relative safety, transit accessibility, climate controlled shelter, and access to food and amenities. Responses to homeless people at airports have varied. Many airports wrestle with how to balance their primary function of serving the traveling ... 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