Skip to main content
Home

Main navigation

  • About
    • About TREC
    • Our Staff
    • Our Researchers
    • Contact Us
  • News
    • Latest News
    • Join Our Mailing List
    • Media Coverage
  • Events
    • Upcoming Events
    • Study Abroad
    • Past Events
  • Research and Data
    • Researchers
    • All Projects
    • Final Reports
    • PORTAL: Portland-Vancouver
    • BikePed Portal: National
  • Our Students
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

Peer-To-Peer Carsharing: Short-term effects on travel behavior in Portland, OR

Jennifer Dill Nathan McNeil , Steven Howland
Peer-to-peer (P2P) carsharing is a relatively new concept in the U.S. Enabled by recent internet and mobile technology development, P2P carsharing generally involves a facilitating company connecting private vehicle owners to people who are interested in renting a vehicle. P2P carsharing has many things in common with business-to-consumer (B2C) carsharing services. Consumers join the service to rent vehicles on a short-term basis from locations dispersed throughout a certain area. Both services… Read More

Data and Methodological Issues in Assessing Multimodal Transportation Impacts for Urban Development

Kristina Currans
In 1976, the Institute of Transportation Engineers (ITE) compiled their first Handbook of guidelines and methods for evaluating development-level transportation impacts, specifically vehicular impacts (Institute of Transportation Engineers 1976). Decades later, these methods— essentially the same as when they were originally conceived—are used ubiquitously across the US and Canada. Only recently, with the guidelines in its third edition of the ITE’s Trip Generation Handbook (Institute of… Read More

Research NITC

  • Projects
  • Final Reports
  • NITC Researchers
  • Grant Funding
    • Overview
    • Requirements and Forms
    • Researcher Login
  • Curriculum: K-12 and University

 

© 2025 | National Institute for Transportation and Communities | 503-725-8545 | asktrec@pdx.edu