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.

Research Highlights

Evaluating Efforts to Improve the Equity of Bike Share Systems

Nathan McNeil John MacArthur , Jennifer Dill , Joe Broach
BREAKING BARRIERS TO BIKE SHARE: Insights on Equity. Public bike share systems have rapidly expanded across the United States in recent years. However, there is evidence that significant portions of the population are underrepresented among bike share users, including people of color, along with lower-income, female, older adults and less-educated groups. Lack of bike share stations in neighborhoods with people of color and/or lower incomes is one factor, but does not completely explain the… Read More

NSF Collaborative Research: RAPID: Maintain Mobility and Reduce Infection Through a Resilient Transit and Micromobility System

John MacArthur
The COVID-19 pandemic has caused unprecedented disruptions to health, the economy, and transportation systems in cities. The key strategy to combat growth in the infection rate is through "social distancing," maintaining physical separation from others. This strategy is incompatible with transit systems and ridership in nearly every transit market has plunged, causing agencies to reduce service levels to protect riders and employees. Still, mobility is required in many cities and the ability of… Read More