A Lexicon for Conveying Travel Time Reliability Information

TRB / SHRP2 Program

The SHRP2 L14 project has three objectives: 1) quantify the potential for improvements in the communication of travel reliability information to affect traveler choices such that positive impacts on system performance occur, 2) develop a lexicon for communicating travel time reliability concepts among transportation professionals and travelers, and 3) develop prioritized, near-term strategies for improved dissemination of travel time reliability information and provide guidance for state departments of transportation and other public sector transportation agencies.

Source Organization Location

Washington, DC

Operations Area of Practice

  • Real Time Traveler Information
  • Communicating Reliability Information

Organizational Capability Element

  • Traveler Information
  • Outreach & Marketing

Content Type

  • Research

Role in Organization

  • Director / Program Manager
  • Engineer
  • Media / PIO
  • Principal Engineer
  • Senior Engineer
  • Transportation Planner

Publishing Organization

  • SHRP2 Program

Maturity Level of Program

  • Assessment (L1)
  • Deployment (L3)
  • Development (L2)
  • Monitoring (L4)


  • Available Tools
  • How-To
  • Learning

Document Downloads

Prime Contractor
Texas A&M Transportation Institute (Univ. of Iowa and Noblis)
Beverly Kuhn, Laura Higgins, Susan Chrysler, Karl Wunderlich, et al.
Issue Date
January 1st, 2014
Publication Number
SHRP 2 Report S2-L14-RW-2
ISBN Number
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