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 08-164: Institutional Integration of Active Transportation
Jennifer Dill
John MacArthur , Nathan McNeil
The objective of this research is to provide a guide for state departments of transportation (DOTs) to better integrate active transportation into the institution’s plans, policies, and processes. The guide will also include a capability maturity model (CMM) to help agencies assess their readiness for improvements. The team is led by Dr. Jennifer Dill at the Transportation Research and Education Center (TREC) at Portland State University (PSU), along with Nathan McNeil and John MacArthur. Par...
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Statistical Inference for Multimodal Travel Time Reliability
Avinash Unnikrishnan
Miguel Andres Figliozzi , Subhash Kochar
Travel time reliability – or the consistency and dependability of travel times from day to day, and at different times of day – is a key metric that significantly affects people’s travel behavior. Since businesses rely heavily on transportation systems, an unreliable transportation network can also impact the economic competitiveness of urban areas. As such, reliable travel times are important for transportation agencies to promote economic stability within a community. Having accurate method...
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