Final results of a long-term evaluation of intelligent speed adaptation, following distance warning and seatbelt reminder systems: System and interactive effects

M. Regan, K. Young, T. Triggs, N. Tomasevic, Eve Mitsopoulos-Rubens, Paul Tierney, D. Healy, K. Connelly, C. Tingvall

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Abstract

This paper reports on a large on-road trial to examine the effects on driver performance of three in-vehicle Intelligent Transport Systems: Intelligent Speed Adaptation (ISA); Following Distance Warning (FDW); and Seat Belt Reminder (SBR). The study was the first to have examined the interactive effects of ISA and FDW systems in fleet operations, and it also evaluated, for the first time, long-term adaptation to FDW and SBR systems in an extended field trial. Overall, there were clearly positive and large effects of ISA in reducing time spent above the speed limit and at higher-level speeds. Reductions in mean speed were also generally found. Importantly, when the ISA system was paired with FDW further beneficial speed reductions were found. Short following distances were increased when FDW was activated, and the SBR system was shown to produce much enhanced seatbelt wearing behaviours. On the basis of this on-road evaluation, significant trauma and injury reductions are predicted to be obtained if these systems were to be widely fitted. Fifteen Ford passenger vehicles intended for fleet operations were equipped with these three technologies for the field trial, along with a Reverse Collision Warning system and Daytime Running lights. Twentythree drivers each drove one of the vehicles (called "SafeCars") for 16,500 km using an experimental design that allowed appropriate statistical evaluation of driving performance. The field trial was the culmination of a six-year project undertaken by the Monash University Accident Research Centre in conjunction with the Victorian Transport Accident Commission (TAC) and Ford Australia. The project involved the development and fitment of the technologies and a data logging system for recording driver performance and behaviour. In addition to the on-road study of driver performance reported here, the technical operation of the technologies and driver acceptance were also evaluated.

Original languageEnglish
Title of host publicationIntelligent Transportation Society of America - 12th World Congress on Intelligent Transport Systems 2005
Pages1885-1895
Number of pages11
Volume3
Publication statusPublished - 2005
Externally publishedYes
EventWorld Congress on Intelligent Transport Systems 2005 - San Francisco, San Francisco, United States of America
Duration: 6 Nov 200510 Nov 2005
Conference number: 12th

Conference

ConferenceWorld Congress on Intelligent Transport Systems 2005
Abbreviated titleITS 2005
Country/TerritoryUnited States of America
CitySan Francisco
Period6/11/0510/11/05

Keywords

  • Advanced driver assistance systems
  • Following distance warning
  • Intelligent speed adaptation
  • Intelligent transport systems
  • Intelligent vehicles
  • Road safety
  • Seatbelt reminder

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