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
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...
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Improving Walkability Through Control Strategies at Signalized Intersections
Sirisha Kothuri
Christopher Monsere
The goal of signal timing at an intersection should be to separate conflicting movements in time, maximizing safety and efficiency for all users. In many jurisdictions, however, signal timing objectives have traditionally focused on allowing vehicle progression and reducing vehicular delay and stops. While these are important considerations in many contexts, other users (especially pedestrians) deserve similar focus and control strategies. Recent updates to the Highway Capacity Manual (HCM 20...
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