Roundabouts instead of stop signs or traffic signals can reduce fuel burn at intersections by 30%. 5000 roundabouts in USA would save as much oil as new drilling offshore would produce! Archives • America's Optimistic Futurist

Posted By: Francis Koster Published: September 11, 2009

Roundabouts Beat Stop Lights, Reduce Air Pollution 20-30%…

Roundabouts Beat Stop Lights, Reduce Air Pollution 20-30%... by Francis P. Koster, Ed.D. Using “Roundabouts” instead of traffic lights or stop signs has been documented...