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 URLPublished version
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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