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

Rural Gentrification and the Spillover Effect: Integrated Transportation, Housing, and Land Use Challenges and Strategies in Gateway Communities

Danya Rumore Philip Stoker
Small towns and cities near national parks, public lands, and other natural amenities throughout the west are experiencing rapid growth and increased visitation. These “gateway communities” comprise a significant portion of the rural west, constituting about 31% of all communities in the U.S. Mountain West and more than 60% of those under 25,000 people. Our prior NITC-funded research shows that growth and increased tourism create a range of “big city challenges” for gateway communities,… Read More

Investigating Effects of TNCs on Parking Demand and Revenues

Benjamin Clark Anne Brown
For the past century, mobility in the United States has been dictated by cars. Furthermore, cars—and even more so, the storage of cars—have dictated urban form. With cities dedicating more space to parking than even streets and roads, parking has become baked into city land use, regulations, codes, ordinances, master plans, and even finances. What happens when a car trip no longer ends in a parking space? Both transportation network companies (TNCs) and, eventually, autonomous vehicles (AVs),… Read More