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Lane-free traffic with connected and automated vehicles – an optimal control approach

Yanumula Venkata-Karteek, Typaldos Panagiotis, Troullinos Dimitrios, Malekzadehkebria Milad, Papamichail Ioannis, Papageorgiou Markos

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Summary

Inefficient usage of the road space is a major reason for traffic congestion, which entails increased delays and fuel consumption and increased emissions. In addition, the vast majority of road accidents are caused due to erratic human driving. Despite extensive research on traffic management, congestion and accidents occur excessively across the world. To mitigate these issues, connected and automated vehicles (CAVs) seem promising (Montanaro et al., 2019). When the roadsare largely populated with CAVs, using Vehicle-to-Vehicle (V2V) and Vehicle-to-Infrastructure (V2I) information sharing, lanes may become unnecessary, as they waste lateral road space due to variations in the width of vehicles, and necessitate accident-prone lane-changing manoeuvres. With the lane-free traffic paradigm proposed by (Papageorgiou et al., 2021), the lane structure of traffic, designed to facilitate human driving, can be dropped in the era of CAVs in favour of increased safety and efficiency.

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