External Human-Machine Interfaces for Autonomous Vehicle-to-Pedestrian Communication

A Review of Empirical Work

Document identifier: oai:DiVA.org:ltu-77420
Access full text here:10.3389/fpsyg.2019.02757
Keyword: Engineering and Technology, Mechanical Engineering, Production Engineering, Human Work Science and Ergonomics, Teknik och teknologier, Maskinteknik, Produktionsteknik, arbetsvetenskap och ergonomi, Traffic interaction, Human–vehicle interaction, Autonomous vehicles, Vehicle-to-pedestrian communication, External human–machine interfaces, Vulnerable road users, Engineering Psychology, Teknisk psykologi
Publication year: 2019
Relevant Sustainable Development Goals (SDGs):
SDG 11 Sustainable cities and communitiesSDG 9 Industry, innovation and infrastructure
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Interaction between drivers and pedestrians is often facilitated by informal communicative cues, like hand gestures, facial expressions, and eye contact. In the near future, however, when semi- and fully autonomous vehicles are introduced into the traffic system, drivers will gradually assume the role of mere passengers, who are casually engaged in non-driving-related activities and, therefore, unavailable to participate in traffic interaction. In this novel traffic environment, advanced communication interfaces will need to be developed that inform pedestrians of the current state and future behavior of an autonomous vehicle, in order to maximize safety and efficiency for all road users. The aim of the present review is to provide a comprehensive account of empirical work in the field of external human–machine interfaces for autonomous vehicle-to-pedestrian communication. In the great majority of covered studies, participants clearly benefited from the presence of a communication interface when interacting with an autonomous vehicle. Nevertheless, standardized interface evaluation procedures and optimal interface specifications are still lacking.


Alexandros Rouchitsas

Luleå tekniska universitet; Människa och teknik
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Håkan Alm

Luleå tekniska universitet; Människa och teknik
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