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

Land Use and Transportation Policies for a Sustainable Future with Autonomous Vehicles: Scenario Analysis with Simulations

Liming Wang Yao-Jan Wu
Even though there are tremendous uncertainties in the timing and evolution path of the Autonomous Vehicles (AV) technology, it may become a likely reality within most MPOs' long-range regional transportation plan horizon of twenty years. Yet a recent survey of largest MPOs in the US indicates only one of them "even mentions driverless, automated, or autonomous vehicles in its most recent RTP" (Guerra, 2016 page 211). One of the uncertainties in assessing the impacts of AV is their direction: on… Read More

Toward Data and Solution-Focused Approaches to Support Homeless Populations on Public Transit

Anne Nordberg Jaya Davis , Stephen Mattingly
No matter where you live, but especially if you live in a big city, you have likely seen people experiencing homelessness (PEH) using public transportation services. PEH use public transportation not only to get from place to place but also as shelter. Unfortunately, the relationship between the homeless populations, homeless services providers, and transportation providers is not well understood, making it difficult to pinpoint the best ways to accommodate those experiencing homelessness. … Read More