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An Overview of the National Highway Traffic Safety Administration’s Light Vehicle Antilock Brake Systems Research Program
Technical Paper
1999-01-1286
ISSN: 0148-7191, e-ISSN: 2688-3627
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Language:
English
Abstract
This paper presents an overview of currently ongoing research by the National Highway Traffic Safety Administration (NHTSA) in the area of light vehicle (passenger cars and light trucks) Antilock Brake Systems (ABS). This paper serves as a lead-in to other papers that will be presented during this session.
Several statistical crash data studies have found there to be little or no net safety benefit from the implementation of four-wheel ABS on passenger automobiles. Typically, these studies have found ABS to be associated with:
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1.
A statistically significant decrease in multi-vehicle crashes.
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2.
A statistically significant decrease in fatal pedestrian strikes.
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3.
A statistically significant increase in single-vehicle road departure crashes.
The safety disbenefit due to the third finding approximately cancels the safety benefits from the first two findings.
The third finding from the statistical crash data studies, the increase in fatal single-vehicle crashes associated with the implementation of ABS on passenger automobiles, is quite surprising. Prior to the widespread introduction of ABS, safety experts expected that adding ABS would decrease the frequency of single-vehicle crashes, not increase the frequency. Interestingly, such a decrease is exactly what was found by crash data studies that have looked at the effects of adding rear-wheel only ABS to light trucks.
NHTSA wants to find out why the addition of ABS has been associated with an increase in the frequency of single-vehicle crashes for passenger automobiles. NHTSA hopes that once the reasons for this increase are known, countermeasures can be developed so that ABS will produce its expected overall safety benefit for passenger automobiles.
A list of possible reasons why ABS is not producing its anticipated safety benefits is presented. The paper then gives a summary of the research tasks being performed to investigate each of these possible reasons.
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Authors
Citation
Garrott, W. and Mazzae, E., "An Overview of the National Highway Traffic Safety Administration’s Light Vehicle Antilock Brake Systems Research Program," SAE Technical Paper 1999-01-1286, 1999, https://doi.org/10.4271/1999-01-1286.Also In
References
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- Kullgren, A. Lie, A. Tingvall, C. 1994 The Effectiveness of ABS in Real Life Accidents Presented at the 14th International Technical Conference on the Enhanced Safety of Vehicles, ESV Conference Munchen 1994 Paper No. 94 S4 O 07
- Evans, L. 1995 ABS and Relative Crash Risk Under Different Roadway, Weather, and Other Conditions Prepared for the 1995 SAE International Congress and Exposition Warrendale, PA: Society of Automotive Engineers
- Hertz, E. Hilton, J. Johnson, D. 1995 An Analysis of the Crash Experience of Passenger Cars Equipped with Antilock Braking Systems NHTSA Technical Report No. 808 279 Washington, DC National Highway Traffic Safety Administration
- Failure Analysis Associates 1995
- Farmer, C. M., Lund, A.K. Trempel, R. E., Braver, E. R. 1996 Fatal Crashes of Passenger Vehicles Before and After Adding Antilock Braking Systems Insurance Institute for Highway Safety
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- Hertz, E. Hilton, J. Johnson, D. 1998 Analysis of the Crash Experiences of Vehicles Equipped with Antilock Braking Systems -- An Update NHTSA Technical Report No. 808 758 Washington, DC National Highway Traffic Safety Administration
- Kahane, C. J. December, 1993 Preliminary Evaluation of the Effectiveness of Antilock Brake Systems for Passenger Cars. NHTSA Technical Report Washington, DC National Highway Traffic Safety Administration
- Hertz, E. Hilton, J. Johnson, D. 1995 An Analysis of the Crash Experience of Light Trucks Equipped with Antilock Braking Systems NHTSA Technical Report No. 808 278 Washington, DC National Highway Traffic Safety Administration
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- Mazzae, E. N. Barickman, F. S. Baldwin, G. H. S. Forkenbrock, G. 1999 Driver Crash Avoidance Behavior with ABS on Dry Versus Wet Pavement. Prepared for the 1999 SAE International Congress and Exposition SAE Paper No. 1999-01-1288 Warrendale , PA Society of Automotive Engineers
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