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Turbo Roundabouts: Case Study of Croatia

The popularity of various roundabout types has driven substantial efforts to optimize their de-sign procedures. Implementing effective roundabouts is a highly demanding task and requires op-timizing traffic (operational) efficiency (TE) and traffic safety (TS) while considering various geome-try factors and constraints. The turbo roundabout concept has emerged as a viable alternative to conventional multi-lane roundabouts, aiming to improve exclusively TS. In multi-lane roundabouts driver indecision and misunderstanding of the driving rules and traffic situations can lead to weav-ing conflicts and frequent accidents. To capture a relationship between turbo roundabout design, TS and TE parameters brief overview of the latest guidelines and studies correlating Croatian case studies is presented here.

turbo roundabouts ; traffic (operational) efficiency ; traffic safety ; geometry design ; Croatia

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