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
Bicycle Detection and Feedback Assessment
Christopher Monsere
David Hurwitz , Sirisha Kothuri
Bicycling is increasing in the United States -- the number of trips made by bicycle more than doubled from 1.7 billion trips in 2001 to 4 billion in 2009 (National Household Travel Survey, 2009). With the increase in bicycling rates, there is a critical need for cycling infrastructure, which includes on and off road bicycle lanes and paths, signs, markings, and signals. One of the key links in a bicycle network is signalized crossings of high volume and high speed roadways. At these intersect...
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Subcontract: NCHRP 17-115 Guide for Marked Crosswalk Design, Spacing, Placement, and Safety
Sirisha Kothuri
Nathan McNeil
Project Lead: University of North Carolina at Chapel Hill |
Project PI: Sarah O’Brien |
PSU team PI: Sirisha Kothuri |
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 a...
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