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

Understanding Factors Affecting Arterial Reliability Performance Metrics

Avinash Unnikrishnan Sirisha Kothuri , Jason Anderson
Researchers from Portland State University (PSU) partnered with Washington County, Oregon to offer data-driven strategies in prioritizing funding for travel time reliability improvements on their urban arterials. The vast majority of existing research on travel time reliability has focused exclusively on freeways. Funded by the National Institute for Transportation and Communities, PSU researchers Avinash Unnikrishnan, Sirisha Kothuri and Jason C. Anderson leveraged Bluetooth sensors provided… Read More

NCHRP 15-74 Safety Evaluation of On-Street Bicycle Facility Design Features

Christopher Monsere Sirisha Kothuri
https://apps.trb.org/cmsfeed/TRBNetProjectDisplay.asp?ProjectID=4763 BACKGROUND While non-separated on-street bicycle facilities have been used in the United States for many years, separated on-street bicycle facilities are becoming increasingly popular. Many state and local departments of transportation (DOTs) have recently installed such facilities to address safety concerns and promote bicycling. Numerous other DOTs are exploring the potential for additional facilities to improve and… 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