U.S. Department of Transportation
Federal Highway Administration
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Washington, DC 20590
202-366-4000
Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations
| REPORT |
| This report is an archived publication and may contain dated technical, contact, and link information |
 |
| Publication Number: FHWA-HRT-13-045 Date: October 2013 |
Publication Number: FHWA-HRT-13-045 Date: October 2013 |
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Traffic is an increasing concern in many urban areas, and traffic congestion is growing at a faster rate than can be alleviated solely by additional road construction. This report examines a technology called Cooperative Adaptive Cruise Control (CACC) that aims to increase traffic throughput by safely permitting shorter following distances between vehicles.
This report establishes a framework that the can be used to evaluate the human-factors, safety, and implementation issues associated with CACC. This document discusses CACC benefits and identifies various ways in which the CACC concept could be realized as well as human-factors-related issues of implementation. Several research areas are suggested to address these issues.
Human-factors, operations, safety, and transportation researchers can use this report as a starting point to further define and execute critical research studies. These studies will, in turn, help facilitate the safe implementation of this mobility-enhancing technology in the years to come.
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Monique R. Evans Director, Office of Safety Research and Development |
Joseph I. Peters Director, Office of Operations Research and Development |
Notice
This document is disseminated under the sponsorship of the U.S. Department of Transportation in the interest of information exchange. The U.S. Government assumes no liability for the use of the information contained in this document. This report does not constitute a standard, specification, or regulation.
The U.S. Government does not endorse products or manufacturers. Trademarks or manufacturers' names appear in this report only because they are considered essential to the objective of the document.
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Technical Report Documentation Page
| 1. Report No.
FHWA-HRT-13-045 |
2. Government Accession No. | 3 Recipient's Catalog No. | ||
| 4. Title and Subtitle
Cooperative Adaptive Cruise Control: Human Factors Analysis |
5. Report Date October 2013 |
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| 6. Performing Organization Code | ||||
| 7. Author(s)
Stephen Jones |
8. Performing Organization Report No.
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9. Performing Organization Name and Address Science Applications International Corporation |
10. Work Unit No. (TRAIS) |
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| 11. Contract or Grant No. | ||||
| 12. Sponsoring Agency Name and Address
Office of Safety Research and Development |
13. Type of Report and Period Covered
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14. Sponsoring Agency Code
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| 15. Supplementary Notes
The Co-Principal Investigator was Brian H. Philips. The Contracting Officer’s Representative (COR) was C. David Yang. |
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| 16. Abstract
Traffic congestion is growing at a faster rate than can be alleviated solely by additional road construction. Various Intelligent Transportation Systems technologies aim to increase and improve transportation via non-traditional means. Cooperative Adaptive Cruise Control (CACC) is one such technology, intended to increase traffic throughput by safely permitting shorter following distances between vehicles. Both vehicle-to-vehicle and vehicle-to-infrastructure communications help such endeavors at the micro- and macro-levels of traffic management. This report identifies the various ways in which the CACC concept could be realized and the human-factors-related implementation issues. Several research areas are suggested to address these human-factors issues. |
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| 17. Key Words
Cooperative Adaptive Cruise Control, CACC, Intelligent Transportation Systems, ITS, Automation |
18. Distribution Statement
No restrictions. This document is available to the public through NTIS: |
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19. Security Classification Unclassified |
20. Security Classification Unclassified |
21. No. of Pages 44 |
22. Price | |
| Form DOT F 1700.7 | Reproduction of completed page authorized |
SI* (Modern Metric) Conversion Factors
Table 1. Overview of human-factors issues
| ACC | Adaptive cruise control |
| BRT | Brake response time |
| CACC | Cooperative Adaptive Cruise Control |
| CCC | Conventional cruise control |
| DSCR | Dedicated short-range communications |
| HOV | High-occupancy vehicle |
| I2V | Infrastructure-to-vehicle |
| ITS | Intelligent Transportation Systems |
| SA | Situation awareness |
| SPAT | Signal phase and timing |
| v/h/l | Vehicles per hour per lane |
| V2I | Vehicle-to-infrastructure |
| V2V | Vehicle-to-vehicle |
