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

Revisiting TODs: How Subsequent Development Affects the Travel Behavior of Residents in Existing Transit-Oriented Developments

Nathan McNeil Jennifer Dill
Does living in a transit-oriented development (TOD) actually change the way people travel? That's the fundamental question that 15 years of research in Portland, Oregon seeks to answer. Since 2005, Portland State University has worked with Portland’s Metro regional government to survey occupants of buildings for which developers had received funding from Metro’s Transit-Oriented Development (TOD) Program. Metro strategically invests in TODs to help more people live, work and shop in… Read More

Understanding the Impact of Decentralizing Homeless Services on Transportation and Mobility in Salt Lake County

Sarah Canham Ivis Garcia , Jeff Rose , Shannon Jones
How can relocating services away from a downtown center change the transportation decisions and patterns for persons experiencing homelessness? And how do those changes affect access to the services they need? New research from the University of Utah (UU) examines the impacts of decentralizing homeless service locations through a case study in Salt Lake County, Utah. Prior to 2019, resources for people experiencing homelessness in the county were concentrated in a single location: The Road… Read More