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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

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 may 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. In this report, we present research that measures the outcomes of TOD areas in relation to their metropolitan area controls with respec... Read More

NCHRP 08-164: Institutional Integration of Active Transportation

Jennifer Dill
John MacArthur , Nathan McNeil
The objective of this research is to provide a guide for state departments of transportation (DOTs) to better integrate active transportation into the institution’s plans, policies, and processes. The guide will also include a capability maturity model (CMM) to help agencies assess their readiness for improvements. The team is led by Dr. Jennifer Dill at the Transportation Research and Education Center (TREC) at Portland State University (PSU), along with Nathan McNeil and John MacArthur. Par... Read More