It seems like people are still very confused on the proper way to go through a roundabout.  Where I live in Lincoln we have 3 roundabouts and more are scheduled to pop up in Bismarck-Mandan in the future.

There are two kinds of roundabouts, single and double lane roundabouts.  Here's how to proceed through both of them:

As you approach a roundabout, you will see a yellow "roundabout ahead" sign with an advisory speed limit for the roundabout.

Slow down as you approach the roundabout, and watch for pedestrians in the crosswalk.

Continue toward the roundabout and look to your left as you near the yield sign and dashed yield line at the entrance to the roundabout. Yield to traffic already in the roundabout.

Once you see a gap in traffic, enter the circle and proceed to your exit. If there is no traffic in the roundabout, you may enter without yielding.  This is something I see people doing wrong EVERYDAY!  There's no need to stop.  All you're doing is messing up the flow.

Look for pedestrians and use your turn signal before you exit, and make sure to stay in your lane as you navigate the roundabout.  That's right, you must signal when you exit.  Otherwise you could be ticketed.  This is a state law according to a source with the Lincoln police department.  This is something I almost NEVER see people do.

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In a multi-lane roundabout, you will see two signs as you approach the intersection: The yellow "roundabout ahead" sign and a black-and-white "lane choice" sign. You will need to choose a lane prior to entering the roundabout.

You choose your lane in a multi-lane roundabout the same way you would in a traditional multi-lane intersection. To go straight or right, get in the right lane. To go straight or left, get in the left lane. Drivers can also make U-turns from the left lane.