Improving the organization of traffic at an intersection with traffic lights through simulation modelling and assessment of the possibility of converting into a roundabout

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Simulation modelling compares traffic lights and roundabouts for enhancing traffic flow and safety.

Converting an intersection to a roundabout may improve traffic organization and safety outcomes significantly.
Throughput increased by simulated alternatives, revealing potential benefits of roundabout design.
Simulation modelling assessed three scenarios: existing traffic lights, optimized control, and proposed roundabout.
Findings suggest a possible conversion to roundabouts could effectively reduce average delay and improve safety.

Pencheva et al. (2025) studied this question.

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