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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

Mode-Based Benefit-Cost Analysis Calculator

Jenny Liu
Transportation decision-makers typically use benefit-cost analysis (BCA) to evaluate the tradeoffs of transportation projects. However, it is difficult to produce state-specific measures that are multimodal and can consistently evaluate the full range of public and private benefits and costs for Oregonians. Supported by a $200,000 grant from the Oregon Department of Transportation (ODOT), Jenny Liu of Portland State University will lead a research effort to develop an Oregon-specific, multimo... Read More

E-bike Lending Libraries: Trends and Practices in The United States

John MacArthur
E-bike lending libraries are emerging as a potential tool to promote sustainable transportation, reduce greenhouse gas emissions, and enhance mobility equity across communities in the United States. By offering residents the opportunity to borrow e-bikes for periods ranging from a couple of hours to several months, these programs help address barriers to e-bike ownership, such as high initial costs, limited riding experience, a vehicle for special purposes, and the need for daily utility. E-b... Read More