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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

Life-Space Mobility and Aging in Place

Ivis Garcia
Alan DeLaTorre
Research on older adults frequently explores the notion of “aging in place”—providing older adults the opportunity to continue to live in their own homes and communities. However one’s ability to stay or leave, particularly in old age, often depends on the built environment. An accessible neighborhood that prioritizes mobility affords the ability to meet basic needs like goods, services, and social activities. This life-space mobility is rarely applied in the field of urban planning and ar... Read More

Evaluation of Roadway Reallocation Projects

Miguel Andres Figliozzi
In the last decade there has been a national trend toward projects that involve roadway space reallocation across modes. Many of these projects may include road diets and are typically very controversial when automobile travel lanes and/or curbside parking are proposed for removal. Cities and federal agencies typically evaluate roadway changes utilizing level of service measures. Traditional level of service (LOS) for automobile traffic is based on travel time and congestion levels. New ... Read More