TREC’s broad research program addresses complex transportation problems by drawing on multiple disciplines, including engineering, planning, economics and design, from across the Portland State University campus. Browse the featured projects below or 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

Analyzing and Quantifying the Impact of Congestion on LTL Industry Costs and Performance in the Portland Metropolitan Region

Miguel Figliozzi
Christopher Monsere
Recent surveys of Portland based company managers clearly indicates that the manufacturing, service, distribution, retail, and wholesale economic sector are increasingly affected by the growing congestion in the Portland metropolitan region (ERDG, 2005, ERDG, 2007) . Unreliable and increased travel times shrink the distribution radius of existing operations and reduce the operational efficiency of drivers and vehicles. Even though there is a clear consensus regarding the negative impacts o... Read More

Incorporating New Data Needs into Travel and Activity Surveys

Jennifer Dill
Asha Weinstein Agrawal
This project aims to answer the following question: How can regional and national travel and activity diary surveys be modified to collect the new types of data needed to meet today's planning needs? In particular, how can the surveys be modified to: (1) begin to collect data on transportation expenditures; (2) collect more accurate data on bicycle and walking trips?; and (3) begin collecting data on health indicators? These improvements would allow travel diary surveys to collect the data n... Read More