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

Planning in Gateway and Amenity Communities: Understanding Unique Challenges Associated with Transportation, Mobility, and Access to Opportunity

Danya Rumore Philip Stoker
Western North America boasts an abundance of scenic mountains, ski areas, stunning desert landscapes and national parks. Living near these natural amenities are small communities, many of which are becoming increasingly popular places to live and visit. The influx of visitors creates unique transportation and mobility challenges for these small towns and cities, such as seasonal spikes in severe roadway congestion and a desire for e-bike share programs in communities of less than 1,000 people… Read More

Bi-objective Optimization for Battery Electric Bus Deployment Considering Cost and Environmental Equity

Xiaoyue Cathy Liu Aaron Golub , Ran Wei
Led by Xiaoyue Cathy Liu of the University of Utah, researchers have created a web-based modeling tool that enables U.S. transit providers to explore the impacts of changing over their systems to battery electric buses, or BEBs. The researchers ran the model for TriMet in Portland, OR, as well, with TriMet results and analysis presented in the final report.  “The interactive visualization platform lets users explore various electric bus deployment budget scenarios, so that transit agencies… Read More