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

The Impact of Ride Hail Services on the Accessibility of Nonprofit Services

Dyana Mason
Ride hailing services (such as Lyft and Uber) are frequently pointed to as a means of filling mobility gaps in a transportation system, especially in areas that are not well-served by transit. How might nonprofit organizations address the mobility needs of their clients through ride hailing (also known as Transportation Network Companies, or TNCs)? Many people who use nonprofit services (e.g. food assistance, social services, health care or educational support) also experience transportation… 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