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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

Bicycle Planning GIS Tool

Joe Broach
Although currently only about one percent of US trips are done by bicycle, there is significant geographic variation. Differences across communities, along with much higher cycling rates observed in other places around the world, indicates large potential bicycling demand for daily travel in the US. In response, many communities are developing and implementing bicycle master plans that include a range of bikeway infrastructure aimed at making riding more appealing, including separated paths, ... Read More