TREC’s broad research program addresses complex transportation problems by drawing on multiple disciplines, including engineering, planning, economics and design, from across the Portland State University campus. Browse the featured projects below or 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

Online Non-motorized Traffic Count Archive

Krista Nordback
Kristin Tufte
Jurisdictions around the country are collecting non-motorized traffic count data, but the lack of a centralized database inhibits data sharing and greatly reduces the utility of this important and growing dataset. Lack of access to count data has led some transportation professionals to assume that cycling and walking levels are close enough to zero to be ignored. To remedy this, we will create a national online non-motorized traffic count archive. This archive will include online input, data... Read More

Do TODs Make a Difference?

Arthur C. Nelson
Jenny Liu , Reid Ewing
The United States is moving into a new era of metropolitan development and form. The demographic, economic, and finance drivers that made America a suburban nation have run their course. America will see a shift toward infill and redevelopment. Facilitating this will be fixed-guideway transit systems and the transit oriented developments (TODs) they serve. Our project will measure the outcomes of TODs in relation to controls with respect to (1) jobs by sector, (2) housing choice for ho... Read More