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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

Homelessness: A Guide for Public Transportation (TCRP J-11/Task 40)

John MacArthur
Marisa Zapata
Unemployment, low wages, poverty, and lack of affordable housing are the main drivers of an increasing homeless population throughout the U.S. in recent years. Transit agencies are being impacted by homelessness. While transit agencies cannot address the underlying causes of homelessness, there are opportunities to work with local partners to be a part of helping individuals in need, while providing a safe, reliable, and customer-friendly experience for all riders. TCRP Research Report 24... Read More

Integrate Socioeconomic Vulnerability for Resilient Transportation Infrastructure Planning

Liming Wang
John MacArthur , Yu Xiao
This research project develops a novel methodology for assessing transportation network vulnerability and resilience, with a particular focus on incorporating social vulnerability into the analysis. The study addresses a critical gap in existing research by integrating socioeconomic vulnerability indicators into the evaluation of transportation infrastructure vulnerabilities for areas facing multi-hazards, using the Portland metropolitan area as a case study. The methodology combines spat... Read More