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Can Automated Vehicles Improve Cyclist Safety in Urban Areas?

Faculty of Engineering Technology, UHasselt—Hasselt University, Agoralaan, 3590 Diepenbeek, Belgium
School of Transportation Sciences, UHasselt—Hasselt University, Agoralaan, 3590 Diepenbeek, Belgium
Faculty of Civil Engineering and Geosciences, Delft University of Technology, Stevinweg 1, P.O. Box 5048, 2600 GA Delft, The Netherlands
Author to whom correspondence should be addressed.
Safety 2019, 5(3), 57;
Received: 28 June 2019 / Revised: 16 August 2019 / Accepted: 20 August 2019 / Published: 23 August 2019
Automated vehicles (AVs) are expected to assist in decreasing road traffic fatalities, particularly among passenger cars. However, until now limited research has been conducted on how they will impact the safety of vulnerable road users (VRUs) (i.e., cyclists and pedestrians). Therefore, there is a clear need to start taking into account the interactions between AVs and VRUs as an integrated element of the transport network, especially in urban areas where they are dominant. The objective of this study is to verify whether the anticipated implementation of AVs can actually improve cyclists’ safety. For this purpose, the microscopic traffic flow simulation software PTV Vissim combined with the surrogate safety assessment model (SSAM) were utilized. The road network used for this analysis was generated based on a real study case in a medium-sized city in Belgium, where narrow streets in the city center are shared on many occasions between vehicles and cyclists. The findings of the analysis show a notable reduction in the total number of conflicts between cars, but also between cars and cyclists, compared to the current situation, assuming a 100% market penetration scenario for AVs. Moreover, the severity level of conflicts also decreased as a result of the lack of human-driven vehicles in the traffic streams. View Full-Text
Keywords: road safety; cyclists; automated vehicles road safety; cyclists; automated vehicles
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Tafidis, P.; Pirdavani, A.; Brijs, T.; Farah, H. Can Automated Vehicles Improve Cyclist Safety in Urban Areas? Safety 2019, 5, 57.

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