You're not allowed to change lane once you've entered this type of roundabout. In practice the lanes are separated by a curb. Of course you still can change lan

You're not allowed to change lane once you've entered this type of roundabout. In practice the lanes are separated by a curb. Of course you still can change lane at the points where traffic joins the roundabout, but it's a sharp 90 degree turn and you'll discover real soon that it's a mistake to try.