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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 17-115 Guide for Marked Crosswalk Design, Spacing, Placement, and Safety

Sirisha Kothuri
Nathan McNeil
In a project funded by the National Cooperative Highway Research Program (NCHRP), Portland State University is partnering with the University of North Carolina at Chapel Hill and Safe Streets to develop guidance to help agencies identify the appropriate crosswalk spacing to ensure that people can cross arterials and other streets at safe crossing locations, and that agency investments in crossing facilities encourage pedestrian safety. The project team will collect data from stated preference... Read More

Portland SMART Grant: Zero Emission Delivery Zones

John MacArthur
Nathan McNeil
In Spring 2023, the Portland Bureau of Transportation (PBOT) was awarded a Stage-1 grant under the Strengthening Mobility and Revolutionizing Transportation (SMART) Grants Program by the US DOT, titled “Decarbonizing Goods Movement: A Technology-Enabled Zero Emission Delivery Zone.” The City of Portland will launch a 25-acre Zero Emission Delivery Zone (ZEDZ) in central downtown to implement a regulated zero-emission zone. Funding for this Stage One SMART grant will allow PBOT to trial cha... Read More