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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

NCHRP 15-73 Design Options to Reduce Turning Motor Vehicle – Bicycle Conflicts at Controlled Intersections

Christopher Monsere
Sirisha Kothuri , Nathan McNeil
BACKGROUND One of the most common locations for fatal motor vehicle-bicyclist crashes is at intersections, which inherently have a large number of turning conflicts. Reducing these conflicts is a key objective in improving intersection safety across all modes. Of particular concern for bicyclists’ safety at intersections are the conflicts between straight-through bicyclists and motor vehicle right-turns and opposing left-turns. Despite the widespread acknowledgement of this problem, trans... Read More

Defining and Measuring Equitable Access to Washington Park in Portland, Oregon

Lisa Patterson
Marisa Zapata , Joe Broach
Photo by Brink Communications Explore Washington Park (EWP) is a 501c3 non-profit that serves as the Transportation Management Association for Washington Park. At 410 acres, Washington Park receives over 3 million visitors each year and is home to some of Portland’s most popular attractions including the International Rose Test Garden, Portland Japanese Garden, Oregon Zoo, Portland Children’s Museum, World Forestry, and Hoyt Arboretum. EWP, in partnership with Portland Parks & Recreation, ... Read More