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

Assessing Economic Impact of Disaster-Induced Transportation Disruptions Using A University Community Partnership Framework

Divya Chandrasekhar
Transportation systems play a critical role in maintaining supply chains for effective post-disaster recovery. The March 2020 COVID-19 lockdowns coincided with a 5.7 magnitude earthquake in Salt Lake City, Utah, resulting in supply chain disruptions throughout the region. A team of researchers collaborated with local agencies and transportation organizations to use this event and the community's response to evaluate the challenges faced by local business owners and the actions they took to… Read More