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
Integrate Socioeconomic Vulnerability for Resilient Transportation Infrastructure Planning
Liming Wang
John MacArthur , Yu Xiao
This research project develops a novel methodology for assessing transportation network vulnerability and resilience, with a particular focus on incorporating social vulnerability into the analysis. The study addresses a critical gap in existing research by integrating socioeconomic vulnerability indicators into the evaluation of transportation infrastructure vulnerabilities for areas facing multi-hazards, using the Portland metropolitan area as a case study.
The methodology combines spat...
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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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