Question

What does the circular shape of roundabouts do?

Answer 1

The circular shape of roundabouts in traffic design serves several purposes: promoting smooth and efficient traffic flow, enhancing safety, and improving traffic capacity.

Step-by-step explanation:

The circular shape of roundabouts in traffic design serves several purposes:

1. It allows for smooth and efficient traffic flow. The nature of a roundabout eliminates the need for traffic lights and stop signs, as vehicles merge into a continuous flow.
2. It promotes safety by reducing the risk of high-speed, head-on collisions. The circular shape encourages vehicles to slow down and navigate the intersection at lower speeds.
3. It improves traffic capacity by allowing multiple vehicles to enter, circulate, and exit simultaneously, reducing congestion compared to traditional intersections.

Overall, roundabouts are designed to optimize traffic flow and enhance safety on the roads.