An Analysis of the Crash Experience of Vehicles Equipped with Antilock Braking System
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1995-06-01
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NTL Classification:NTL-SAFETY AND SECURITY-Highway Safety;NTL-SAFETY AND SECURITY-Accidents;NTL-SAFETY AND SECURITY-Vehicle Design;NTL-REFERENCES AND DIRECTORIES-Statistics;
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Abstract:National Center for Statistics and Analysis has recently completed an initial
analysis of the crash experience of passenger cars (PCs) and light trucks and
vans (LTVs) equipped with antilock braking systems (ABS). Four types of crashes
were identified as "ABS-relevant," that is, crashes for which it was assumed
that ABS would be beneficial in avoiding the crash and/or ameliorating the
outcome of the crash. The four "ABS-relevant" crash types identified were: (1)
rollovers, (2) side impacts with parked vehicles or fixed objects, (3) frontal
impacts with parked vehicles or fixed objects, and (4) frontal impacts with
another motor vehicle in transport. Analysis is based upon data that comprise
the initial years of crash experiences for the first groups of vehicles equipped
with ABS. While the findings indicate some reductions, increases were also noted.
Thus, NHTSA estimates that there has been little or no net crash reduction with
ABS, to date. Further analysis is warranted, especially for passenger cars.
NHTSA has implemented a plan of analysis and vehicle testing to obtain a
clearer understanding of the performance of ABS. 2p. An Analysis of the Crash
Experience of Passenger Cars Equipped with Antilock Braking Systems, by Hertz,
Hilton, and Johnson (DOT HS-808 279, May 1995) provides detailed findings for
the PC analysis. The LTV findings are contained in An Analysis of the Crash
Experience of Light Trucks and Vans Equipped with Antilock Braking Systems, also
by Hertz, Hilton, and Johnson (DOT HS-808 278, May 1995).
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