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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Affordable Housing Trip Generation Strategies and Rates
Kelly Clifton
Kristina Currans , Susan Handy , Robert Schneider
Assessment and mitigation of transportation impacts based on travel demand is required by state, federal, and local laws in California. Determining trip generation is typically the first step in preparing these transportation impact analyses, and current industry standard practice relies on trip rates published by the Institute of Transportation Engineers (ITE). However, ITE protocols emphasize vehicle trip rates without sensitivity to urban context or socioeconomic characteristics, which can...
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