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

Addressing Homeless Encampments on Public Right-of-Way: A Knowledge Transfer Project

Andree Tremoulet
This technology transfer project provided practical information about how to address homeless encampments on public right-of-way to transportation professionals, including Federal Highway Administration officials, Oregon public works directors, transportation educators and students. Through a previous project funded by OTREC and Oregon Department of Transportation, research had been conducted about the extent of the issue among state transportation agencies and how they were addressing it. Th... Read More

Calibrating the HSM Predictive Methods for Oregon Highways

Karen Dixon
Christopher Monsere
The Highway Safety Manual (HSM) was published by the American Association of State Highway and Transportation Officials (AASHTO) in the spring of 2010. Volume 2 (Part C) of the HSM includes safety predictive methods which can be used to quantitatively estimate the safety of a transportation facility. The resulting information can then be used to provide guidelines to identify opportunities to improve transportation safety. The safety performance functions (SPFs) included with this content, ho... Read More