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.

NOTE: If you're looking for projects from our partner campuses, use the NITC research search.

Research Highlights

Racial Bias in Drivers' Yielding Behavior at Crosswalks: Understanding the Effect

Kimberly Kahn
Led by Dr. Kimberly Kahn of Portland State University, the purpose of this investigation is to explore social identity-related factors that influence drivers’ behaviors in interactions with pedestrians at crosswalks. Dr. Kahn and her research team conducted a field experiment where black and white male and female pedestrians wore identical clothing and repeatedly crossed the same intersection in a systematic manner, with coders in the field marking drivers’ behaviors. The initial study (Ex... Read More

Communicating Research through Comics: Transportation and Land Development

Kelly Clifton
Kristina Currans
This project aims to translate research findings from several NITC projects (PI Clifton) about considerations of transportation in the land development process into a comic, thus enhancing comprehension, encouraging representation, and developing a wider audience for this critical information. Namely, PI Clifton and coPI Currans have a long history of collaboration around the data, methods, and processes used to assess, mitigate, and plan for multimodal transportation impacts of new developme... Read More