Do you consider yourself a good driver who knows everything about roads and traffic rules? Do you know all about roundabouts? Take the quiz below and check your knowledge for the same. Perhaps the most confusing hazard for the learner and experienced driver alike is learning the rules of roundabouts. This is generally a traffic circle where three or more roads join, and traffic must follow that one circular path. If you score more than 70% on this roundabouts quiz, you clearly know how to use a roundabout.