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

Improving Trip Generation Methods for Livable Communities

Kelly Clifton Nico Larco
This NITC report offers a multimodal framework for transportation impact analysis – a welcome tool for professionals in many cities seeking more detailed data about non-drivers. Headed by Kelly Clifton of Portland State University and Nico Larco of the University of Oregon, this project is the latest effort in an ongoing collaboration to create more open sourced, widely available data about non-motorized road users. Over the last decades, cities have become more invested in fostering the… Read More

Updating and Expanding LRT/BRT/SCT/CRT Data and Analysis

Arthur C. Nelson
This project will update and expand our station area databases (developed under previous NITC contracts 547, 650, and 763) to include new systems added since the late 2000s and more metropolitan areas. Under prior NITC contracts, we built station area databases for 12 light rail transit (LRT) systems, nine bus rapid transit (BRT) systems, four streetcar transit (SCT), and five commuter rail transit (CRT) systems. We included employment data extending annually from 2002 through 2011, and census… Read More