PennODOT

There are several steps to reducing the risk of a vehicular accident. You can avoid the risk in the first place by never getting in the vehicle.  You can eliminate unsafe road conditions and unsafe vehicles which increase risk. And, you can engineer risk away by creating, designing, and inventing safety measures. Roundabouts fall into the latter category. When cities implement more roundabouts in place of traffic lights, they are engineering safety. They are creating something that reduces the risk of an accident. However, there is another step to reducing risk that is often overlooked: human behavior. When you