This report provides a comprehensive analysis comparing the efficiency of modern roundabouts and signalized intersections, with a specific focus on their application within the unique context of Barbados. Confronted with one of the world's densest road networks, an unsustainable rate of vehicle growth, and significant traffic congestion that impacts economic productivity and quality of life, Barbados stands at a critical juncture in its transportation infrastructure planning. The term "efficiency" is evaluated across a holistic, four-pillar framework: public safety, operational performance, economic viability, and environmental sustainability.



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    • Key: Gbm