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

Sustaining Multimodal Choices: Examining Travel Behavior for Non-work Trips Beyond COVID-19

Yizhao Yang Rebecca Lewis
Abstract Travel by sustainable modes such as public transit, biking, and walking provides positive outcomes for urban residents for the environment and health. Integrating these mode choices into regular travel trips has been challenging for many Americans. The low adoption of sustainable travel modes has been attributed to environmental factors, and to attitudinal and habitual tendencies rooted in an individual’s beliefs and experiences. The proposed project focuses on understanding the… Read More

Transportation, Social Support by Family Visitation, and Depression of Older Adult Nursing Home Residents: A Mixed-Methods Study

Vivian Miller
Older adults who live in nursing homes are at an increased risk for depression and anxiety, and research has shown that social connections and family support are key factors that positively impact their mental health. However, research also suggests that one of the primary barriers to maintaining those relationships, and enabling family members to visit residents, is transportation. This NITC dissertation examined transportation barriers of family members in the community visiting their loved… Read More