Skip to main content
Home

Main navigation

  • About
    • About TREC
    • Advancing Equity
    • Our Staff
    • Our Researchers
    • Contact Us
  • News
    • Latest News
    • Join Our Mailing List
    • Media Coverage
  • Programs
    • Transportation Data
    • The Initiative for Bicycle and Pedestrian Innovation
    • Community Transportation Academy
    • TREC Resource Hub
    • PacTrans
    • Better Block PSU
    • Workforce Development
    • National Institute For Transportation And Communities
  • Events
    • Upcoming Events
    • Transportation Seminars
    • BikePed Workshops
    • Study Abroad
    • Summer High School Camp
    • Ann Niles Lecture
    • Past Events
  • Research and Data
    • Research Areas
    • Researchers
    • All Projects
    • Final Reports
    • PORTAL: Portland-Vancouver
    • BikePed Portal: National
    • For Researchers
  • Study at PSU
    • Why Study at PSU?
    • Degrees and Courses
    • STEP Student Group
    • Graduate Research Assistants
    • Scholars
    • Sustainable Transportation Study Abroad
User account menu
  • Log in

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

Modeling Capacity: Multiple Weaving Areas

Sheida Khademi Behruz Paschai , James Williams
Systematic, well-designed research provides the most effective approach to the solution of many problems facing highway administrators and engineers. Traffic congestion on freeway systems is one significant concern in urban areas throughout the U.S.A. In this era, building new freeways to reduce congestion is less feasible due to the high capital and social costs. Thus, the effective management and operation of existing freeway facilities has become a preferred approach to reduce traffic… Read More

Connected Vehicle System Design for Signalized Arterials

Xianfeng (Terry) Yang Mingyue Ji
Now that we are decades into the Age of Information, it's increasingly important to minimize the age of information: that is, to make sure the information we have is the very latest. In the world of connected vehicle technology, Age of Information (AoI) is a concept that was introduced in 2012 to quantify the “freshness” of knowledge about the status of remote systems. The latest NITC report from the University of Utah (UU) offers an innovative way of developing a comprehensive traffic… Read More

 

© 2025 | Transportation Research and Education Center | 503-725-8545 | asktrec@pdx.edu