I'll call this the Smyrna - Newnan loop:
https://goo.gl/maps/C9WjLw7hYNm100 miles, 2 1/2 hours
Saturday morning ride summary:
# of times I crossed the Chattahoochee: 2
# of dead raccoons: 3
# of dead armadillos: 1
# of dead WRX's: 1 (yellow, 30 feet off the road along a fence with weeds growing up around it)
# of turns marked 25 mph: 3 maybe 4
# of cups of coffee: 1, at the Waffle House in Newnan
# of Harley's when I arrived at the Waffle House: 1
# of Harley's when I left the Waffle House: 6
Another suggested loops near Atlanta, especially on the west side?