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

Metropolitan Centers: Evaluating local implementation of regional plans and policies

Richard Margerum Keith Bartholomew , Rebecca Lewis
One of the emerging strategies in metropolitan regions for integrating transportation and land use is to promote development around higher density mixed use centers (metropolitan centers). Considerable research has focused on the design and performance of centers, particularly those linked to fixed transit (transit oriented development). These studies have focused on urban design, the impacts of centers on behavior and the changes induced by fixed transit investment. However, there has been far… Read More

E-bike Lending Libraries Synthesis

John MacArthur
Despite the practical and sustainable mobility benefits of e-bikes, personal ownership and maintenance are considered barriers to adoption (Fitch et al., 2022). Lending e-bikes may address some of the challenges of shared micromobility programs, such as ease of access and payment, but comprehensive evaluations to date have focused on specialized systems, including a research project loaning e-bikes in Norway (Fyhri et al., 2017), and another available only to Google employees (Fitch et al.,… Read More