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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

Encouraging Low-Income Households to Make Location-Efficient Housing Choices

Andree Tremoulet
The purpose of this project is to develop and evaluate tools to assist Housing Choice Voucher (HCV) program participants in the Portland, OR, metro region with considering transportation needs and options when making decisions about where to live. The project consists of two elements: development of a set of tools in collaboration with the four metro-area housing authorities, and an evaluation of the effectiveness of the tools. The four housing authorities conceptualized and initiated this pr... Read More

Active Transportation Return on Investment Study

Jennifer Dill
Jenny Liu , Marisa Zapata
The Active Transportation Return on Investment (ATROI) study aimed to provide a quantitative and qualitative assessment of the benefits of active transportation infrastructure in the Portland, OR region. The study used a selection of projects constructed in the region between 2001 and 2017 to evaluate impacts, with a focus on economic impacts, broadly defined. Two types of projects are included. 2040 catalyst projects retrofitted busy commercial streets with pedestrian friendly treatments aim... Read More