TRI-LEVEL STUDY OF THE CAUSES OF TRAFFIC ACCIDENTS: INTERIM REPORT II. (VOLUME II: RADAR AND ANTI-LOCK BRAKING PAYOFF ASSESSMENT.) FINAL REPORT

As an adjunct to the Institute's "Tri-Level Study of the Causes of Traffic Accidents," conducted under contract to the U.S. Department of Transportation, National Highway Traffic Safety Administration, a subset of accidents investigated in-depth by a multidisciplinary team has been examined to assess the benefit derived from the hypothetical application of various combinations of radar and anti-lock braking systems. A total of 215 accidents, which are generally representative of all police-reported accidents in terms of such variables as severity and road surface condition, have been considered. The approach has been to have an accident analyst evaluate on a case-by-case basis which would have been derived if one or more of the vehicles involved in each accident had been equipped with various types and combinations of these hypothetical systems. A total of ten system types or combinations were defined. On one extreme, it was found that two-wheel anti-lock systems, by themselves, have relatively little accident prevention potential; only one of the 215 accidents (0.5%) would definitely have been prevented by such a system, although with less assurance there was some possibility of prevention of up to eight accidents (3.7%) by such a system. On the other extreme, the most complex of the systems, defined, comprised of a non-cooperative radar system with both activation and warning potential, coupled with a four-wheel anti-lock system, would definitely have prevented 39 of the accidents (18.0% of total), with some possibility of prevention of up to 90 of the accidents (41.9% of total).

  • Corporate Authors:

    Indiana University, Bloomington

    Institute for Research in Public Safety
    Bloomington, IN  United States  47401
  • Publication Date: 1975-6

Media Info

  • Features: Figures; References; Tables;
  • Pagination: 115 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00127182
  • Record Type: Publication
  • Source Agency: Highway Safety Research Institute
  • Report/Paper Numbers: DOT/HS 801 631 Final Rpt.
  • Contract Numbers: DOT-HS-034-3-535
  • Files: TRIS
  • Created Date: Jan 14 1976 12:00AM