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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

Bi-objective Optimization for Battery Electric Bus Deployment Considering Cost and Environmental Equity

Xiaoyue Cathy Liu
Aaron Golub , Ran Wei
Led by Xiaoyue Cathy Liu of the University of Utah, researchers have created a web-based modeling tool that enables U.S. transit providers to explore the impacts of changing over their systems to battery electric buses, or BEBs. The researchers ran the model for TriMet in Portland, OR, as well, with TriMet results and analysis presented in the final report.  “The interactive visualization platform lets users explore various electric bus deployment budget scenarios, so that transit agencies... Read More

Suburban Black Poverty in East Portland: The Role of Transportation in Making Ends Meet

Steven Howland
Portland has faced a mass displacement of Black households from the historically segregated area of Albina through various phases of urban renewal, urban deterioration, and gentrification. A substantial number of them have moved to East Portland, a suburban segment of the City of Portland that was unincorporated county land prior to the 1990’s. As Black people have left Albina, the roots of Blackness there have eroded from the area as businesses and churches catering to them have also closed ... Read More