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
Effect of Residential Street Speed Limit Reduction from 25 to 20 mi/hr on Driving Speeds in Portland, Oregon
Christopher Monsere
Sirisha Kothuri , Jason Anderson
In 2015, the City of Portland adopted Vision Zero's objective of eliminating transportation-related fatalities and serious injuries. Speed, through analysis of crash data, was determined to be a contributing factor in 47% of the fatal crashes observed in Portland. Thus, one of the pillars in the Vision Zero Action Plan is reductions in motor vehicle speeds. The Portland City Council approved an ordinance reducing the speed limit on all residential streets to 20 miles per hour (mph) in January...
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Research Roadmap for the AASHTO Council on Active Transportation (NCHRP 20-123(02))
Jennifer Dill
Christopher Monsere , Nathan McNeil
Funded by the National Cooperative Highway Research Program (NCHRP), a team of researchers from the Transportation Research and Education Center (TREC) at Portland State University (PSU) and Toole Design prepared the Research Roadmap for the American Association of State Highway and Transportation Officials (AASHTO) Council on Active Transportation (CAT). The Roadmap was created to foster research that will address important active transportation needs at the state DOT level and beyond.. They...
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