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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

FHWA Strategic Agenda for Pedestrian and Bicycle Transportation

Jennifer Dill
Nathan McNeil
In 2016, TREC was part of a team, in partnership with ICF and Alta Planning, that developed the Strategic Agenda for Pedestrian and Bicycle Transportation, a framework to inform future investments, policies, and partnerships and serves as the update to U.S. DOT’s 1994 National Bicycling and Walking Study. The agenda establishes a strategic, collaborative approach for making walking and rolling viable transportation options for people of all ages and abilities in communities throughout the U.S... Read More