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
The Contribution of Transportation and Land Use to Citizen Perceptions of Livability in Oregon MPOs
Rebecca Lewis
Robert Parker
Livability is a key focus of integrating transportation and land use planning throughout the United States, and the world. Livability is a concept that has been guiding U.S. Department of Transportation (USDOT) policy since 2009, focusing on six principles including: providing transportation choices, expanding housing location, improving economic competitiveness, improving existing communities, aligning federal policy, and enhancing unique characteristics of communities (USDOT, n.d.). In Oreg...
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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 ...
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