Table of Contents

• Acknowledgements
• Summary
  • What is the Mobility Monitoring Program?
  • What performance measures are used?
  • What data are used?
• Introduction
  • Objectives of the Mobility Monitoring Program
  • Report Overview
  • New Report Elements
  • Additional Information and City Reports
• Background
  • National Performance Monitoring Programs
    • Mobility Monitoring Program
    • Urban Congestion Reporting Program
    • Urban Mobility Study
    • Comparison of Programs
    • Other Related National Activities
  • Examples of State and Local Programs
    • Atlanta, Georgia
    • Minneapolis-St. Paul, Minnesota
    • Phoenix, Arizona
    • Seattle, Washington
• Data, Analysis Methods, and Performance Measures
  • Participating Cities and Their Archived Data
  • Overview of Data Processing
  • Data Quality Checking
  • Congestion and Reliability Measure Calculations
  • Congestion Measures
  • Reliability Measures
  • Other Considerations for Performance Measure Calculations
• Major Findings and Conclusions
  • Are traffic congestion and/or travel reliability getting worse?
  • How does reliability relate to average congestion levels?
  • How are the performance measures different, and what does each tell me?
• Recommendations
  • Promote Local Use of Archived Operations Data and Performance Measures
  • Presentation and Use of Performance Measures in Decision-Making
  • Improve Traffic Detector Data Quality at Its Source
  • Integrate Event Data at the Local Archive Level
• List of Figures
  • Figure 1. Preferred Archived Data Formats for Mobility Monitoring Program
  • Figure 2. Overview of Data Processing within Mobility Monitoring Program
  • Figure 3. Estimating Directional Route Travel Times and VMT from Spot Speeds and Volumes
  • Figure 4. Illustration of Misleading Trends When Measurement Coverage Increases
  • Figure 5. Exploring the Relationship between Congestion Level and Travel Reliability
• List of Tables
  • Table 1. Key Features of National Performance Monitoring Programs
  • Table 2. Participating Cities and Agencies for 2003 Archived Data
  • Table 3. Summary of Data Collection Technologies and Level of Detail in 2003
  • Table 4. Summary of 2003 Freeway Archived Data Coverage
  • Table 5. 2003 Data Validity Checks in the Mobility Monitoring Program
  • Table 6. Summary of 2003 Freeway Archived Data Validity
  • Table 7. Summary of 2003 Freeway Archived Data Completeness
  • Table 8. National Congestion and Reliability Trends
  • Table 9. Trends (2001-2003) in Congestion and Reliability at the Freeway Section Level
  • Table 10. Traffic Congestion, Delay, and Reliability Statistics from Mobility Monitoring Program: 2000 through 2003
  • Table 11. Different Performance Measures May Reveal Changes in Different Elements of Performance