Does Travel Time Reliability Matter? - Primer

Printable version [PDF 2.6 MB]
You may need the Adobe® Reader® to view the PDFs on this page.
Contact Information: Operations Feedback at OperationsFeedback@dot.gov

U.S. Department of Transportation
Federal Highway Administration
Office of Operations
1200 New Jersey Avenue, SE
Washington, DC 20590
ops.fhwa.dot.gov

FHWA-HOP-19-062

October 2019

---

Table of Contents

[ Notice and Quality Assurance Statement ] | [ Technical Report Documentation Page ]

• Executive Summary
• Why Invest in Travel Time Reliability?
• What is Travel Time Reliability?
  • Defining Reliability
  • Measuring Reliability
• Why is Reliability Important?
  • Unreliability is Costly
  • Unreliability Impairs Safety
• How do We Create a Reliable Transportation System?
  • Determine Reliability
  • Improve Reliability
• References