Pedestrian Decision-Making Responses to External Human-Machine Interface Designs for Autonomous Vehicles

Chris G Burns1, Luis Oliveira2, Stewart Birrell2, Sumeet Iyer3, Peter Thomas3

  • 1University of Warwick WMG
  • 2University of Warwick
  • 3Jaguar-Land Rover





09:00 - 14:30 | Sun 9 Jun | Room L213 | SuDT4

HFIV: Human Factors in Intelligent Vehicles

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As part of a large UK-funded autonomous vehicle project (UK Autodrive), we examined pedestrian attitudes and road-crossing intentions using a real autonomous vehicle (AV) in an indoor arena. Two conceptual external human-machine interfaces (HMIs) were presented to display the vehicle’s manoeuvring intentions. Participants experienced a simulated road-crossing task to assess their interactions with the AV. Although neither HMI concept was entirely free of criticism, there were objective performance differences for a projection-based HMI concept, as well as critical subjective opinions in pedestrian responses to specific manoeuvring contexts. These provided insight into pedestrians’ safety concerns towards a vehicle where bi-directional communication with a driver is no longer possible, with suggestions for future vehicle HMI concepts.

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