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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

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., 2... Read More

The E-Bike Potential: How E-Bikes Can Improve Sustainable Transportation

John MacArthur
Christopher Cherry
The electric bicycle (e-bike) is a recently introduced mode of travel that is rapidly gaining in popularity throughout the United States. The e-bike can offer a cheaper alternative to car travel (Popovich et al. 2014) and can provide users with an adequate level of physical activity intensity necessary to enhance health (Fishman and Cherry 2016). Riding an e-bike is rewarding and fun, is freeing for users with limited ability and mobility, and can even lead to a car-free household (Popovich e... Read More