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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

GIS Training in Transportation And Environmental Justice for Promoting Student Success in STEAM Education

Joowon Im Alan Klein
Transportation can have a significant impact on vulnerable ecologies, especially in rapidly urbanizing regions such as Dallas/Fort Worth. In order for future professionals to balance the needs of sensitive environments with the mobility of people and goods, they must have the proper tools – among other things, a good grounding in regional mapping technologies. To introduce high school students to geographic information systems (GIS) and spatial reasoning skills, researchers at the University… Read More

Multimodal Trip Generation, Vehicle Ownership and Use: Characterizing The Travel Patterns of Residents of Multifamily Housing

Kelly Clifton
Many cities are reconsidering their reliance on ITE’s Trip Generation Manual, now in its 10th edition. Kelly Clifton and co-investigator Kristina Currans of the University of Arizona examine the advantages and limitations of ITE’s land use taxonomy for multifamily residences. They find that the land use categories aiming to capture intensity of development for residential land uses (high-rise apartments, for example) do not appear to capture any more variation in the vehicle or person trip… Read More

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