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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

Data and Methodological Issues in Assessing Multimodal Transportation Impacts for Urban Development

Kristina Currans
In 1976, the Institute of Transportation Engineers (ITE) compiled their first Handbook of guidelines and methods for evaluating development-level transportation impacts, specifically vehicular impacts (Institute of Transportation Engineers 1976). Decades later, these methods— essentially the same as when they were originally conceived—are used ubiquitously across the US and Canada. Only recently, with the guidelines in its third edition of the ITE’s Trip Generation Handbook (Institute of Tran... Read More

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