Question: What is the purpose of a traffic circle?
qaPairs: question: What is the purpose of a traffic circle in terms of safety?
answer: reduce the likelihood and severity of collisions greatly
question: What is the purpose of a traffic circle in terms of how it establishes a flow of traffic?
answer: traffic is permitted to flow in one direction around a central island
question: What is the purpose of a traffic circle in terms of environmental benefits?
answer: potentially leads to less pollution
answer: engagement with pedestrians, encouraging deference towards them
reduced driver confusion associated with perpendicular junctions and reduced queuing associated with traffic lights
reduce the likelihood and severity of collisions
potentially leads to less pollution