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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

Community-based Assessment of Transportation Needs to inform City of Portland Smart Cities Plan

Aaron Golub
The Portland Smart Cities UB Mobile PDX proposal is being transformed into a City of Portland Smart cities plan. The original proposal focused strongly on developing mobility solutions that would serve traditionally underserved populations. As the proposal moves into a plan, we intend to deepen our community engagement work, explore and assess what the transportation needs are in traditionally underserved communities, and explore how new mobility solutions embedded in Mobile PDX can best be c... 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