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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

Active Transportation Network Benefits Estimator | NCHRP Research Report 1149, Estimating Benefits of Closing Gaps in Active Transportation Networks: A Guide

Sarah Melling
Joe Broach
The Active Transportation Network Benefits Estimator was developed to support state and local DOTs in estimating the potential benefits of closing gaps in their active transportation network. The tool is based on the methodology presented in the NCHRP Research report 1149: Estimating Benefits of Closing Gaps in Active Transportation Networks (https://www.nationalacademies.org/publications/29332). Active transportation networks are an important part of the transportation system, they improve a... Read More

Evaluation of Road User Comprehension and Compliance with Red Colored Transit Priority Lanes

Christopher Monsere
Jennifer Dill , Nathan McNeil
As part of the City of Portland Enhanced Transit Corridors Plan, the Portland Bureau of Transportation (PBOT) is working with TriMet and Jacobs Engineering to evaluate the impact of red colored transit priority lanes at key locations in and around downtown Portland. Transit priority lanes restrict access to certain lanes, prioritizing transit movement, while sometimes allowing for other users or specific actions - for example shared bus and bike lanes, or shared bus and right-turn lanes. Red ... Read More