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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

Pedestrian and Bicycle Master Planning: Training for Practitioners

Lynn Weigand
The growing focus on context sensitive solutions and design in roadway planning, increased support for addressing public health objectives through transportation and land use planning, and concerns about oil dependence and global warming all point to a need for planning practitioners to have more knowledge and skills related to pedestrian and bicycle planning. At the same time, the amount of funding going toward pedestrian and bicycle infrastructure has increased significantly since the earl... Read More

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... Read More