In some cities, small traffic circles have been constructed in the middle of residential intersections to calm neighborhood traffic. Occasionally, these small circles are called roundabouts or mini-roundabouts. Circles of this type are common in Seattle Washington and Boulder Colorado.

Some Informative Links:

General

• Detailed information about Traffic Calming at Trafficcalming.org, a public service website maintained by Fehr & Peers, transportation consultants

Seattle

• Seattle, Washington - Neighborhood Traffic Calming Program
• Seattle Department of Transportation

Florida

• Traffic Calming measures implemented in Florida