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Safety Considerations for a High Density Automated Vehicle System

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  • Michael Lenard

    (General Electric Company, Erie, Pennsylvania)

Abstract

Simulation on the digital computer was used to evaluate systems safety for high-density traffic of automatically controlled vehicles. The response of vehicle-borne and wayside emergency control systems to sudden failure of a moving vehicle and failure to detect a stalled vehicle ahead was investigated. The number and severity of the resulting collisions were used as measures of the system’s ability to cope with accidents. The capacity and safety performance of the wayside control system was found to be distinctly superior to that of the vehicle-borne system. For a desired lane capacity, the most reasonable operating speed depends primarily on vehicle length. Finally, the results indicate that significant (systems') safety benefits are obtained if vehicles are able to maintain their speedy movement for a short time after a collision.

Suggested Citation

  • Michael Lenard, 1970. "Safety Considerations for a High Density Automated Vehicle System," Transportation Science, INFORMS, vol. 4(2), pages 138-158, May.
    • Handle: RePEc:inm:ortrsc:v:4:y:1970:i:2:p:138-158
    DOI: 10.1287/trsc.4.2.138
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    Cited by:

    1. Scag & Path, 1993. "Highway Electrification And Automation Technologies - Regional Impacts Analysis Project: Phase I: Baseline Scenario Data Analysis," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt6s65543t, Institute of Transportation Studies, UC Berkeley.
    2. Li, Xiaopeng, 2022. "Trade-off between safety, mobility and stability in automated vehicle following control: An analytical method," Transportation Research Part B: Methodological, Elsevier, vol. 166(C), pages 1-18.

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