At rotaries (large traffic circles), vehicles proceed _________ around the center island at a slow rate of speed until the desired street is approached.

All vehicles approaching a traffic circle or roundabout must yield the right-of-way to vehicles already in the circle or roundabout unless otherwise directed by a police officer or traffic control devices. Traffic on a roundabout proceeds to the right or counterclockwise around the raised center island. At rotaries (large traffic circles), vehicles proceed to the right or counterclockwise around the center island at a slow rate of speed until the desired street is approached.