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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 17-87 Enhancing Pedestrian Volume Estimation and Developing HCM Pedestrian Methodologies for Safe and Sustainable Communities

Christopher Monsere
Sirisha Kothuri , Nathan McNeil
Portland State University is a subcontractor on NCHRP 17-87 award to Kittelson & Associates, Inc: http://apps.trb.org/cmsfeed/TRBNetProjectDisplay.asp?ProjectID=4373 Challenge Despite its prevalence as a transportation mode, walking receives less attention than the motor vehicle mode in terms of national guidance and methods to support planning, designing, and operating safe, functional, and comfortable facilities. Solution Kittelson partnered with Portland State University and the Hi... Read More

Using High-Resolution Bus Detection Data to Improve Travel Time Prediction and Identify Urban Congestion Spots

Miguel Andres Figliozzi
Robert Bertini
Transit travel time, operating speed and reliability all influence service attractiveness, operating cost and system efficiency. These metrics have a long-term impact on system effectiveness through a change in ridership. As part of its bus dispatch system (BDS), the Tri-County Metropolitan Transportation District of Oregon (TriMet) has been archiving automatic vehicle location (AVL) and automatic passenger count (APC) data for all bus trips at the stop level since 1997. In 2014, a new and hi... Read More