[l2ridehd]

I am not sure what you mean by staggering. You never do anything but that. Remember rule 1. The person in the roundabout always has the right of way. So if a car is already there, regardless or which lane, you should wait until they pass to enter.

The problem being discussed is two cars approach the roundabout side by side. No one is in the roundabout so both enter. The car in the left lane takes the 90 degree exit. They broke the law. If only going 90 degrees, ALWAYS enter from the right lane.

This is really simple. Think of a roundabout as two four lane roads arriving at a four way stop sign. If you wanted to go right, you would always be in the right lane. If you wanted to go left you would always be in the left lane. And if you wanted to go straight through, either lane would work. And you would never enter the intersection when another car was already there. Treat a roundabout exactly the same way and you should never have a problem.