Highlights We examined driver perspectives of the potential risk from EVs due to their quietness. Critical noise-related incidents between EVs and other road users occurred only rarely. The degree of hazard of these incidents was rated as low to medium by drivers. Noise-related concerns among EV drivers diminished with increasing driving experience. Options other than the addition of artificial sounds should be considered.

    Abstract Previous research on the safety implications of quiet electric vehicles (EVs) has mostly focused on pedestrians’ acoustic perception of EVs, and suggests that EVs are more difficult for pedestrians to hear and, therefore, compromise traffic safety. The two German field studies presented here examine the experiences of 70 drivers with low noise emissions of EVs and the drivers’ long-term evaluation of the issue. Participants were surveyed via interviews and questionnaires before driving an EV for the first time, after 3 months of driving, and in the first study, again after 6 months. Based on participants’ reports, a catalogue of safety-relevant incidents was composed in Study 1. The catalogue revealed that low noise-related critical incidents only rarely occur, and mostly take place in low-speed environments. The degree of hazard related to these incidents was rated as low to medium. In Study 1, driver concern for vulnerable road users as a result of low noise diminished with increasing driving experience, while perceived comfort due to this feature increased. These results were replicated in Study 2. In the second study, it was additionally examined, if drivers adjust their perceived risk of harming other road users over time. Results show that the affective assessment of risk also decreased with increased driving experience. Based on individual experience, drivers adjust their evaluation of noise-related hazards, suggesting that dangers associated with low noise emissions might be less significant than previously expected.


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    Titel :

    Driver perceptions of the safety implications of quiet electric vehicles


    Beteiligte:
    Cocron, Peter (Autor:in) / Krems, Josef F. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2013-04-10


    Format / Umfang :

    10 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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