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

Human Centricity through AI - Innovating Public Engagement for Transportation Projects with Large Language Models

Antonie Jetter Ameeta Agrawal
Researchers created a qualitative dataset of public planning documents, community comments, forum conversations, newspaper articles, etc., about the SW Corridor Lightrail project in Portland, OR. The team will use this dataset to set up a series of experiments enabled by the ChatGPT4 LLM from Open.AI. This will provide preliminary insights into the potential of LLMs as data interpretation aids. Read More

Evaluating Improved Transit Connections for Ladders of Opportunity

Stephen Mattingly Yi-Chang Chiu , Sia Ardekani , Courtney Cronley , Noelle Fields
Many transit operators employ limited strategies to provide connectivity to transit, like bicycle racks on buses. This project will examine more innovative options, such as: subsidies, hybrid ride sharing business models, flexible routing, smaller transit vehicles, transit-sponsored bike share programs, and social carpooling to meet first and last mile needs and increase mobility for all users, especially underserved and disadvantaged populations. As part of the University of Arizona’s cost… Read More