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
Key Enhancements to the WFRC/MAG Four-Step Travel Demand Model
Reid Ewing Shima Hamidi
Conventional four-step travel demand modeling is overdue for a major update. The latest NITC report from the University of Utah offers planners better predictive accuracy through an improved model, allowing for much greater sensitivity to new variables that affect travel behavior. Specifically, it accounts for varying rates of vehicle ownership, intrazonal travel, and multimodal mode choices.
Used by nearly all metropolitan planning organizations (MPOs), state departments of transportation,…
Read More
Accessing Opportunities for Household Provisioning Post-COVID-19
Kelly Clifton Kristina Currans , Amanda Howell
When the COVID-19 pandemic first swept across North America and led to emergency shutdowns during the spring of 2020, the way people acquired food and household necessities was dramatically impacted. As stay-at-home orders minimized personal travel, transit services were reduced and many stores and restaurants either closed or modified their operations.
This NITC grant expanded the scope of the NSF grant (https://trec.pdx.edu/research/project/1445) to allow for data collection in Oregon and…
Read More
