Integrated Vehicle Based Safety Systems: A Major ITS Initiative

NHTSA · 2005 · ROSA P / United States. Joint Program Office for Intelligent Transportation Systems

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Summary

This document outlines the Integrated Vehicle Based Safety Systems (IVBSS) initiative, a major project under the U.S. Department of Transportation’s Intelligent Transportation Systems (ITS) program. The initiative addresses the significant safety problem posed by rear-end, road departure, and lane change crashes, which account for approximately 2.6 million incidents annually. Of these, 27,500 result in fatalities, representing roughly three-quarters of all fatal crashes. The primary motivation for IVBSS is the potential to prevent over 48 percent of these specific crash types, equating to more than 1.8 million target crashes, through the widespread deployment of advanced integrated driver assistance systems. The IVBSS initiative is designed as a partnership with the automotive industry, building upon data from completed and ongoing Intelligent Vehicle Initiative (IVI) field operational tests and naturalistic driving studies. The scope of the research encompasses private passenger vehicles, freight-carrying trucks, and transit buses. The core methodology involves developing an integrated solution that combines existing research results and state-of-the-art commercial products to address these three crash categories simultaneously. This approach marks the first attempt to fully integrate individual solutions rather than treating them in isolation. The initiative focuses on three key development areas: determining the most effective methods for communicating integrated warnings to drivers to reduce distraction; establishing objective tests and performance criteria for systems that address multiple crash types; and conducting field tests of integrated systems with real drivers to empirically understand their safety benefits. The central finding presented is that integrated systems, by providing better hazard information from multiple sensors and enabling coordinated warnings, can significantly reduce driver distraction and improve hazard perception. The document asserts that this integrated approach has the potential to reduce the targeted collisions by 48 percent. The initiative aims to equip all new vehicles with these advanced driver assistance systems to help drivers avoid the most common types of deadly crashes. The significance of the IVBSS initiative lies in its shift from isolated safety technologies to a holistic, integrated approach. By combining solutions for rear-end, road departure, and lane change crashes, the initiative seeks to maximize safety benefits while minimizing driver distraction through coordinated warnings. This represents a strategic effort by the U.S. DOT to leverage existing research and commercial products to create a unified standard for vehicle-based safety systems, ultimately aiming to drastically reduce the frequency and severity of the most prevalent crash types on American roads.

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• Empirical Findings: crash risk outcomes