Mississippi Written Drivers Test Practice

How do roundabouts help reduce accidents?

1. By encouraging higher speeds

2. By forcing drivers to stop

3. By minimizing points of conflict at intersections

4. By restricting vehicle types

The correct answer is: By minimizing points of conflict at intersections

Roundabouts are designed to improve traffic flow and safety by minimizing points of conflict at intersections. In a traditional intersection, there are multiple potential points where vehicles and pedestrians can collide, such as where vehicles cross paths during turns or when approaching traffic is unchecked. In contrast, roundabouts create a circular flow of traffic that fundamentally changes how vehicles interact with each other. As vehicles enter the roundabout, they yield to traffic already circulating within it, which reduces the likelihood of severe collisions. The consistent flow of vehicles reduces the chances of head-on and high-speed side-impact crashes, which are more common at traditional intersections. Moreover, the design of roundabouts typically encourages lower speeds because of their geometry, which further enhances safety. Overall, the reduction of conflict points directly contributes to a decrease in the frequency and severity of accidents at these intersections.