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

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

Connected Vehicle System Design for Signalized Arterials

Xianfeng (Terry) Yang Mingyue Ji
Now that we are decades into the Age of Information, it's increasingly important to minimize the age of information: that is, to make sure the information we have is the very latest. In the world of connected vehicle technology, Age of Information (AoI) is a concept that was introduced in 2012 to quantify the “freshness” of knowledge about the status of remote systems. The latest NITC report from the University of Utah (UU) offers an innovative way of developing a comprehensive traffic… Read More