Roundabout Movement in Traffic Rules: Who Should Yield According to New Regulations.

Drivers of white and gray cars.

In this case, the driver of the blue car must yield since it is moving in a circle, which gives it the right of way according to traffic rules. The driver of the gray car must continue driving because he is changing lanes and must give way to the vehicle that is moving in that lane. Therefore, the driver of the red car must yield to the gray car.

Explanation

The task is to determine who among the drivers must yield at the intersection. According to traffic rules, drivers who are moving in a circle have the right of way over those who are just entering it. Additionally, a driver must yield to those who are changing lanes, giving way to vehicles that are moving in that lane.