The perils of perfect performance; considering the effects of introducing autonomous vehicles on rates of car vs cyclist conflict
AuthorThompson, J; Read, G; Wijnands, J; Salmon, PM
Source TitleErgonomics: an international journal of research and practice in human factors and ergonomics
PublisherTaylor & Francis
AffiliationArchitecture, Building and Planning
Document TypeJournal Article
CitationsThompson, J., Read, G., Wijnands, J. & Salmon, P. M. (2020). The perils of perfect performance; considering the effects of introducing autonomous vehicles on rates of car vs cyclist conflict. Ergonomics: an international journal of research and practice in human factors and ergonomics, 63 (1), https://doi.org/10.1080/00140139.2020.1739326.
Access StatusAccess this item via the Open Access location
Open Access URLhttp://doi.org/10.1080/00140139.2020.1739326
How humans will adapt and respond to the introduction of autonomous vehicles (AVs) is uncertain. This study used an agent-based model to explore how AVs, human-operated vehicles, and cyclists might interact based on the introduction of flawlessly performing AVs. Under two separate experimental conditions, results of experiment 1 showed that, despite no conflicts occurring between cyclists and AVs, modelled conflicts among human-operated cars and cyclists increased with the introduction of AVs due to cyclists’ adjusted expectations of the behaviour and capability of human-operated and autonomous cars. Similarly, when human-operated cars were replaced with AVs over time in experiment 2, cyclist conflict rates did not follow a linear reduction consistent with the replacement rate but decreased more slowly in the early stages of replacement before 50% substitution. It is concluded that, although flawlessly performing AVs might reduce total conflicts, the introduction of AVs into a transport system where humans adjust to the behaviour and risk presented by AVs could create new sources of error that offset some of AVs assumed safety benefits.
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