According to the FHWA Proven Safety Countermeasures, switching from a two way stop to a roundabout has been shown to reduce fatal and serious injury crashes by 82%. Read more about Proven Safety Countermeasures at saferoutesnj.org: https://www.saferoutesnj.org/proven-safety-countermeasures-in-school-zones/
This video was developed by NJ Safe Routes Resource Center at Rutgers University, on behalf of the New Jersey Department of Transportation with funds from the Federal Highway Administration.