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Article

Are Double-Lane Roundabouts Safe Enough? A CHAID Analysis of Unsafe Driving Behaviors

1
Department of Civil Engineering and Architectural, University of Catania, 95125 Catania, Italy
2
Faculty of Civil Engineering, Transportation Engineering and Architecture, University of Maribor, 2000 Maribor, Slovenia
*
Author to whom correspondence should be addressed.
Received: 29 December 2020 / Revised: 25 February 2021 / Accepted: 1 March 2021 / Published: 8 March 2021
(This article belongs to the Special Issue Sustainable and Safe Road Design)
This study investigated the nature and causes of unsafe driving behavior at roundabouts through an on-road study. Four urban double-lane roundabouts with different layouts were selected for an on-road study. Sixty-six drivers (41 males and 25 females) aged 18–65 years took part in the study. Unsafe behaviors observed during the in situ survey were divided into three different categories: entry unsafe behaviors, circulation unsafe behaviors, and exit unsafe behaviors. Three chi-square automatic interaction detection (CHAID) analyses were developed in order to analyze the influence of roundabout characteristics and maneuvers on unsafe behaviors at double-lane roundabouts. The results confirmed the awareness that double-lane roundabouts are unsafe and inadvisable. More than half of unsafe driving behaviors were found to be entry unsafe behaviors. Moreover, the entry radius was found to be the geometric variable most influencing unsafe driving behaviors. View Full-Text
Keywords: road safety; human factor; driving behavior; driver observation; on-road study; road design; double-lane roundabouts road safety; human factor; driving behavior; driver observation; on-road study; road design; double-lane roundabouts
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MDPI and ACS Style

Pulvirenti, G.; Distefano, N.; Leonardi, S.; Tollazzi, T. Are Double-Lane Roundabouts Safe Enough? A CHAID Analysis of Unsafe Driving Behaviors. Safety 2021, 7, 20. https://0-doi-org.brum.beds.ac.uk/10.3390/safety7010020

AMA Style

Pulvirenti G, Distefano N, Leonardi S, Tollazzi T. Are Double-Lane Roundabouts Safe Enough? A CHAID Analysis of Unsafe Driving Behaviors. Safety. 2021; 7(1):20. https://0-doi-org.brum.beds.ac.uk/10.3390/safety7010020

Chicago/Turabian Style

Pulvirenti, Giulia, Natalia Distefano, Salvatore Leonardi, and Tomaz Tollazzi. 2021. "Are Double-Lane Roundabouts Safe Enough? A CHAID Analysis of Unsafe Driving Behaviors" Safety 7, no. 1: 20. https://0-doi-org.brum.beds.ac.uk/10.3390/safety7010020

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