The safety and conspicuity of pedestrian crossing at roundabouts: The effect of median refuge island and zebra markings

Vignali, Valeria; Pazzini, Margherita; Ghasemi, Navid; Lantieri, Claudio; Simone, Andrea; Dondi, Giulio

doi:10.1016/j.trf.2019.12.007

Cited by 20 publications

(10 citation statements)

References 68 publications

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“…The results of the study suggest that the presence of pedestrians complicate the decision process of drivers as they negotiate roundabouts and suggests a manifestation of search satisfaction. These findings support the previous findings of both Salamati et al (2013) and Vignali, et al (2020).…”

Section: Discussionsupporting

confidence: 93%

“…Stone, et al (2002) identified the pedestrian island between lanes of traffic as a safety measure for pedestrians and this is one feature that is being used to indicate the greater safety of roundabouts over regular intersections. However, the work of Vignali, et al (2020) on the painting of crosswalks to increase the visibility of the pedestrian crossing suggest there continues to be room for the improved safety of pedestrians crossing traffic at roundabouts.…”

Section: Discussionmentioning

confidence: 99%

“…According to Sadeq and Sayed (2016), there are several positive qualities to the modern roundabout. Primary among them is the ability to increase the flow of vehicular traffic while reducing the vehicular conflict points from 32 found in a standard intersection to eight found in a roundabout (Vignali, et al, 2020). However, Stone and his colleagues (2002) suggest the effects of roundabout usage on pedestrian safety is mostly unknown.…”

Section: Introductionmentioning

confidence: 99%

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Are Roundabouts Safer for Pedestrians?

Clark

Mayhorn

2022

Proceedings of the Human Factors and Ergonomics Society Annual

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Pedestrians continue to be killed and injured at the meeting points with motor vehicles. The current study explored how drivers managed the cognitive load of negotiating roundabouts. One hundred fifty-five undergraduates at a large university in the southeastern United States were recruited. Participants were given some training on driving rules concerning roundabouts and were then presented with a 25 question, multiple-choice test that served as a check on learning. The participants who passed the learning check were then presented with 80 visual stimuli of driving situations commonly encountered at roundabouts. The stimuli were presented in Qualtrics as seven traffic situations that were randomized. Results supported the hypothesis that pedestrians are not noticed at roundabouts a significant amount of time making the pedestrian/automobile interaction at roundabouts a safety hazard. Participants failed to notice pedestrians most often in roundabout entering vignettes but also failed to notice pedestrians in roundabout exiting vignettes. Results suggest participants did not notice pedestrians attempting to cross the street in crosswalks at roundabouts. Additional research is needed to study how to increase visibility of pedestrian crossing in roundabouts. The findings of this study will raise awareness of the increased need for pedestrian safety measures at roundabouts.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Are Roundabouts Safer for Pedestrians?

Clark

Mayhorn

2022

Proceedings of the Human Factors and Ergonomics Society Annual

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“…With regards to pedestrians, a random crossing at the roundabout definitively limits its capability in terms of both vehicle capacity management as well as pedestrian safety [42]. Vignali et al [43] recognized that research about roundabout safety usually focuses on drivers and vehicle movement and, unfortunately, overlooks the importance of safety for the vulnerable users including pedestrians and bicyclists. A solution to this issue could be the improvement of infrastructure conditions, like proper pavement marking (Figure 6).…”

Section: Overview Of Crash Occurence At Roundaboutsmentioning

confidence: 99%

An Overview of the Efficiency of Roundabouts: Design Aspects and Contribution toward Safer Vehicle Movement

Gkyrtis,

Kokkalis

2024

Vehicles

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Transforming intersections into roundabouts has shown that a sufficient degree of road safety and traffic capacity can be achieved. Because of the lower speeds at the area of a roundabout, drivers tend to become more easily adaptive to any kind of conflict with the surrounding environment. Despite the contribution to safety, the design elements of roundabouts are not uniformly fixed on a worldwide scale because of different traffic volumes, vehicle dimensions, drivers’ attitude, etc. The present study provides a brief overview of the contribution of roundabouts to road safety and the interactions between safety and the design elements of roundabouts. In addition, discussion points about current challenges and prospects are elaborated, including findings from the environmental assessment of roundabouts; their use and performance on the era of autonomous vehicles that will dominate in the near future; as well as the role and importance of simulation studies towards the improvement of the design and operation of roundabouts in favor of safer vehicle movement. The criticality of roundabouts, in terms of their geometric design as well as the provided road safety, lies upon the fact that roundabouts are currently used for the conventional vehicle fleet, which will be gradually replaced by new vehicle technologies. Such an action will directly impact the criteria for road network design and/or redesign, thereby continuously fostering new research initiatives.

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“…In 2021, Babic et al [ 51 ] use the eye tracking to analyze the pedestrian conspicuity at night, investigating how the drivers perceive pedestrians wearing different clothes (black or light-colored clothes, or an orange or yellow retroreflective vest) at different distances. This study analyses a large sample of driving and also defines a consistent analysis methodology.…”

Section: Introductionmentioning

confidence: 99%

Drivers' performance assessment approaching pedestrian crossings through the analysis of the speed and perceptive data recorded during on-field tests

Meocci,

Terrosi,

Paliotto

et al. 2024

Heliyon

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The safety and conspicuity of pedestrian crossing at roundabouts: The effect of median refuge island and zebra markings

Cited by 20 publications

References 68 publications

Are Roundabouts Safer for Pedestrians?

Are Roundabouts Safer for Pedestrians?

An Overview of the Efficiency of Roundabouts: Design Aspects and Contribution toward Safer Vehicle Movement

Drivers' performance assessment approaching pedestrian crossings through the analysis of the speed and perceptive data recorded during on-field tests

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