Designing in-vehicle signs for connected vehicle features: does appropriateness guarantee comprehension?

William Payre, Cyriel Diels

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)
10 Downloads (Pure)


This paper discusses the design and evaluation of connected and cooperative vehicle in-vehicle sign designs displayed on a mobile phone: Emergency Electronic Brake Lights (EEBL), Emergency Vehicle Warning (EVW), Traffic Condition Warning, and Road Works Warning. Appropriateness and comprehension of each design alternative were assessed using quantitative (i.e. Likert scales) and qualitative (i.e. open-ended questions) methods. Forty-four participants took part in the study and were shown twelve dashboard camera videos presenting a total of eleven designs alternatives, displayed with or without a legend. Despite their appropriateness, EEBL and EVW signs displayed with a legend were better comprehended and less ambiguous than those displayed without a legend. Moreover, displaying a legend below the signs to warn drivers of an emergency braking ahead was efficient in low visibility condition and could potentially increase safety in critical situations.
Original languageEnglish
Pages (from-to)102-110
Number of pages9
JournalApplied Ergonomics
Early online date27 May 2019
Publication statusPublished - 1 Oct 2019

Bibliographical note

NOTICE: this is the author’s version of a work that was accepted for publication in Applied Ergonomics. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made
to this work since it was submitted for publication. A definitive version was subsequently published in Applied Ergonomics, [80], (2019) DOI: 10.1016/j.apergo.2019.05.006
© 2017, Elsevier. Licensed under the Creative Commons AttributionNonCommercial-NoDerivatives 4.0 International


  • Emergency
  • In-vehicle information
  • Warning signs

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