Jill Goldberg, communications manager for the Georgia Department of Transportation, points to proposed locations for sound-blocking walls on a map of Ga. 400 at the project's Sandy Springs headquarters. (Photo John Ruch)
The rough plan for two tunnels (yellow arrows) and a side path (green arrow) in the forthcoming Abernathy Road/Ga. 400 diverging diamond interchange as shown on Joe Seconder's Bike Walk Dunwoody blog page.