What is the function of a roundabout in road safety?

The function of a roundabout in road safety primarily revolves around improving traffic flow and reducing the likelihood of serious collisions. Roundabouts are designed to enhance the movement of vehicles through intersections by allowing continuous traffic circulation, thereby minimizing the need for complete stops. This continuous flow reduces the potential for high-speed crashes that are more prevalent at traditional intersections with stop signs or traffic lights.

Additionally, because roundabouts typically require vehicles to yield rather than stop, they decrease the chances of rear-end collisions and side-impact crashes, which can result in serious injuries or fatalities. The circular design of a roundabout also encourages lower vehicle speeds compared to traditional intersections, making it safer for both drivers and pedestrians. By facilitating smoother traffic passage and lowering the speed of vehicles at critical junctures, roundabouts contribute significantly to enhancing overall road safety.