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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.

Research Highlights

Addressing Bicycle-Vehicle Conflicts with Alternate Signal Control Strategies

Sirisha Kothuri Christopher Monsere , Krista Nordback , Edward Smaglik
There is nationwide interest in supporting sustainable and active transportation modes such as bicycling and walking due to the many benefits associated with them, including reduced congestion, lower emissions and improved health. Although the number of bicyclists is increasing, safety remains a top concern. In urban areas, a common crash type involving bicycles at intersections is the “right hook” where a right-turning vehicle collides with a through bicyclist. While geometric treatments and… Read More

Tools and resources for gateway communities

Danya Rumore Philip Stoker
For the last five years, our team has been studying the planning and development challenges of small towns and cities near national parks, public lands, and other natural amenities. Our prior and ongoing NITC funded research shows that these “gateway communities”–which comprise a significant portion of the rural West, constituting about 31% of all communities in the U.S. Mountain West and more than 60% of those under 25,000 people–are experiencing rapid growth and increased tourism. This has… Read More

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