U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000


Skip to content
Facebook iconYouTube iconTwitter iconFlickr iconLinkedInInstagram

Policy and Governmental Affairs
Office of Highway Policy Information

FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Post-event Connected Vehicle Data Exploration - Lessons Learned

Post-event Connected Vehicle Data Exploration - Lessons Learned

FHWA-HPL-24-012 report cover

Printable version [PDF 1 MB]

Travel Monitoring and Surveys
Office of Highway Policy Information
2024

United States Department of Transportation logo

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

Table of Contents

  1. Abstract
  2. Introduction
  3. CV Data and Size
  4. Platform to Conduct Post-CV Data Analysis
    1. 4.1: Data Storage Concept
    2. 4.2: Data Analytics
  5. Data Insights Explored
    1. 5.1: Identification of Vehicle Hard Brake and Acceleration Geolocations
      1. 5.1.a: OEM CV Data
      2. 5.1.b: JPO CV Pilot Data
    2. 5.2: Seatbelt Usage Exploration
      1. 5.2.a: OEM CV Seatbelt Data
      2. 5.2.b: JPO CV Pilot Data
    3. 5.3: Trip Distribution by Length
      1. 5.3.a: OEM CV Data
    4. 5.4: Posted Speed Limits vs. the 85th Actual Travel Speed
      1. 5.4.a: JPO Pilot Post-CV Pilot Data
    5. 5.5: Roadway Curvature and Frequency of Vehicle Maneuvers
  6. CV Data Quality
  7. Summary
  8. Acknowledgements

List of Figures

  1. Figure 1: Databricks architecture illustration
  2. Figure 2: Illustrating hard acceleration densities in 4 square km by hour of the day and average speed
  3. Figure 3: Hard brake densities per 4 square km by hour of the day and average speed
  4. Figure 4: Hard brake counts and average speed in the highest frequency area (4 km²) by hour of the day
  5. Figure 5: Counts of HA and HB events by wiper and seatbelt states
  6. Figure 6: Maximum speed of HA and HB events by wiper and seatbelt states
  7. Figure 7: Longitudinal acceleration points with different maneuver categories
  8. Figure 8: Lateral acceleration points with different maneuver categories
  9. Figure 9: Driver seatbelt usage by average speed thresholds
  10. Figure 10: Passenger seatbelt usage by average speed thresholds
  11. Figure 11: Driver seatbelt usage by travel distances
  12. Figure 12: Passenger seatbelt usage by travel distances
  13. Figure 13: Number of journeys by travel distances
  14. Figure 14: Travel speed and travel time by travel distances
  15. Figure 15: Frequencies of journeys occupied with front passenger by travel distances
  16. Figure 16: Speed differences between the speed limits in TIM and the 85th percentile of actual speeds
  17. Figure 17: Actual 85th percentile traffic speed vs posted speed by hour of the day
  18. Figure 18: Wrong Path history of BSM data
  19. Figure 19: OEM CV data records duplicated in one area

List of Tables

  1. Table 1: Seatbelt usages in percentage by average travel speed thresholds
  2. Table 2: Seatbelt usages in percentage by travel distances
  3. Table 3: Wrong locations in vehicle movements

Next

Page last modified on May 9, 2024
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000