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.

Research Highlights

How Essential is Essential Air Service? The Value of Airport Access for Remote Communities

Austin Drukker
Essential Air Service is a federal government program that provides subsidies to airlines that provide commercial service between certain remote communities and larger hubs, which proponents argue are justified because driving to larger airports would be prohibitively expensive for residents of these communities. I estimate the value of Essential Air Service to local communities using a revealed-preferences approach by formulating and estimating a discrete-choice model of domestic air travel… Read More

Using Maps and Online Tools to Operationalize Equity in Shared Mobility Services

Amanda Howell Anne Brown
This project translates research into practice through developing two practitioner-ready tools using findings from NITC project #1401 “Mobility for the People: Evaluating Equity Requirements in Shared Mobility Programs”. In “Mobility for the People,” we confirmed our hypotheses that while many US cities implement shared mobility program equity requirements, specific requirements range dramatically. In addition, many requirements are not supported by data collection efforts and evaluation… Read More