Traffic circles and rotaries are not modern roundabouts. If any of the entry lanes has a stop sign, it’s not a modern roundabout. If you could play a game of football in the center landscaped area, it’s not a modern roundabout. If the circular roadway has a stop sign, yield sign or signal, it’s not a modern roundabout. If you don’t have to slow down to enter it, it’s not a modern roundabout. If you have to change lanes in the circular roadway to exit, it’s not a modern roundabout. If you can easily drive faster than 20 mph in the circular roadway, it’s not a modern roundabout. If it has a park for pedestrians, or a building, in the middle, it’s not a modern roundabout.