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Gap acceptance study of pedestrians crossing between platooning autonomous vehicles in a virtual environment
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Woodman, Roger, Lu, Ke, Higgins, Matthew D., Brewerton, Simon, Jennings, Paul A. and Birrell, Stewart A. (2019) Gap acceptance study of pedestrians crossing between platooning autonomous vehicles in a virtual environment. Transportation Research Part F: Traffic Psychology and Behaviour, 67 . pp. 1-14. doi:10.1016/j.trf.2019.09.017 ISSN 1369-8478.
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WRAP-gap-acceptance-study-pedestrians-crossing-between-platooning-autonomous-vehicles-virtual-environment-Woodman-2019.pdf - Accepted Version - Requires a PDF viewer. Available under License Creative Commons Attribution Non-commercial No Derivatives 4.0. Download (14Mb) | Preview |
Official URL: https://doi.org/10.1016/j.trf.2019.09.017
Abstract
Autonomous vehicles (AVs) operating in shared urban environments, often referred to as “pods”, will constantly have to interact with pedestrians. As a result, an effective strategy will be required for pods to continue operating, while in close proximity to people. This strategy could be in terms of active negotiation, where a pod identifies a person and gives way; or a more passive strategy, such as requiring pods to travel close together in platoons, in order to reduce the number of individual vehicle encounters. For this latter example, it is critical to understand how the spaces between pods and AVs in general are perceived by pedestrians, and what factors will persuade and dissuade crossing. Therefore, this paper seeks to understand this relationship, and presents results from a pedestrian gap acceptance study for platoons. To ensure the safety of participants, a virtual environment was used instead of real vehicles. The goal of the experiment described in this paper, is to understand the gap acceptance behaviour of participants, when presented with a platoon of pods in different environments. The experiment evaluated four vehicle speeds, from 1 km/h to 16 km/h, four temporal gaps, from 2 s to 5 s, and two environments. These environments were a typical road layout, with footpath and line markings, and a shared space, where all markings and separation between pod and pedestrian were removed. For each scenario, participants were asked if they would cross between the pods and how safe they felt about the situation, recorded as a Likert score. The results suggest that people are more likely to attempt to cross between a platoon of pods when they are travelling closer together in a shared space (no line markings or separation between vehicles and pedestrian), compared to a road environment (separated by raised pavement and road markings). However, it was also found that people’s subjective rating of safeness was higher in the road environment, when presented with a platoon of pods, compared to the shared space.
Item Type: | Journal Article | ||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
Journal or Publication Title: | Transportation Research Part F: Traffic Psychology and Behaviour | ||||||||
Publisher: | Elsevier | ||||||||
ISSN: | 1369-8478 | ||||||||
Official Date: | November 2019 | ||||||||
Dates: |
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Volume: | 67 | ||||||||
Page Range: | pp. 1-14 | ||||||||
DOI: | 10.1016/j.trf.2019.09.017 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
Date of first compliant deposit: | 3 October 2019 | ||||||||
Date of first compliant Open Access: | 21 October 2020 | ||||||||
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